diff --git a/public_dropin_environments/java_codegen/Dockerfile b/public_dropin_environments/java_codegen/Dockerfile
index 2a0f9d6eb..9bdcacd37 100644
--- a/public_dropin_environments/java_codegen/Dockerfile
+++ b/public_dropin_environments/java_codegen/Dockerfile
@@ -69,6 +69,8 @@ ENV ADDRESS=0.0.0.0:8080
 ENV WITH_ERROR_SERVER=0 \
     PYTHONUNBUFFERED=1
 
+# Gunicorn configuration
+ENV MLOPS_RUNTIME_PARAM_DRUM_SERVER_TYPE='{"type": "string", "payload": "gunicorn"}'
 
 COPY ./*.sh ${CODE_DIR}/
 WORKDIR ${CODE_DIR}
diff --git a/public_dropin_environments/java_codegen/env_info.json b/public_dropin_environments/java_codegen/env_info.json
index ee3bb8bc4..3b84ab9ae 100644
--- a/public_dropin_environments/java_codegen/env_info.json
+++ b/public_dropin_environments/java_codegen/env_info.json
@@ -4,7 +4,7 @@
   "description": "This template can be used as an environment for DataRobot generated scoring code or models that implement the either the IClassificationPredictor or IRegressionPredictor interface from the datarobot-prediction package and for H2O models exported as POJO or MOJO.",
   "programmingLanguage": "java",
   "label": "",
-  "environmentVersionId": "693734d134f605124465ef0a",
+  "environmentVersionId": "69447f109bcfd9076dcb0127",
   "environmentVersionDescription": "",
   "isPublic": true,
   "isDownloadable": true,
@@ -14,8 +14,8 @@
   "contextUrl": "https://github.com/datarobot/datarobot-user-models/tree/master/public_dropin_environments/java_codegen",
   "imageRepository": "env-java-codegen",
   "tags": [
-    "v11.4.0-693734d134f605124465ef0a",
-    "693734d134f605124465ef0a",
+    "v11.4.0-69447f109bcfd9076dcb0127",
+    "69447f109bcfd9076dcb0127",
     "v11.4.0-latest"
   ]
 }
diff --git a/public_dropin_environments/java_codegen/requirements.txt b/public_dropin_environments/java_codegen/requirements.txt
index 461fc216f..f3bbc9761 100644
--- a/public_dropin_environments/java_codegen/requirements.txt
+++ b/public_dropin_environments/java_codegen/requirements.txt
@@ -1,8 +1,8 @@
 #
-# This file is autogenerated by pip-compile with Python 3.10
+# This file is autogenerated by pip-compile with Python 3.11
 # by the following command:
 #
-#    pip-compile --index-url=https://pypi.org/simple --no-annotate --no-emit-index-url --no-emit-trusted-host --output-file=requirements.txt requirements.in
+#    pip-compile --cert=None --client-cert=None --index-url=https://pypi.org/simple --no-annotate --no-emit-index-url --no-emit-trusted-host --output-file=requirements.txt --pip-args=None requirements.in
 #
 annotated-types==0.7.0
 argcomplete==3.6.3
@@ -19,7 +19,7 @@ charset-normalizer==3.4.4
 click==8.3.1
 cryptography==46.0.3
 datarobot==3.10.0
-datarobot-drum==1.17.8
+datarobot-drum==1.17.10
 datarobot-mlops==11.1.0
 datarobot-storage==2.2.0
 docker==7.1.0
diff --git a/public_dropin_environments/python311/Dockerfile b/public_dropin_environments/python311/Dockerfile
index ae97a6f08..c12287a90 100644
--- a/public_dropin_environments/python311/Dockerfile
+++ b/public_dropin_environments/python311/Dockerfile
@@ -59,6 +59,8 @@ ENV ADDRESS=0.0.0.0:8080
 ENV WITH_ERROR_SERVER=0 \
     PYTHONUNBUFFERED=1
 
+# Gunicorn configuration
+ENV MLOPS_RUNTIME_PARAM_DRUM_SERVER_TYPE='{"type": "string", "payload": "gunicorn"}'
 
 COPY ./*.sh ${CODE_DIR}/
 WORKDIR ${CODE_DIR}
diff --git a/public_dropin_environments/python311/env_info.json b/public_dropin_environments/python311/env_info.json
index 6c3bfa97e..245c48510 100644
--- a/public_dropin_environments/python311/env_info.json
+++ b/public_dropin_environments/python311/env_info.json
@@ -4,7 +4,7 @@
   "description": "This template environment can be used to create Python based custom models. User is responsible to provide requirements.txt with the model, to install all the required dependencies.",
   "programmingLanguage": "python",
   "label": "",
-  "environmentVersionId": "693734dc34f605126d279d35",
+  "environmentVersionId": "69447f1e9bcfd90793c17021",
   "environmentVersionDescription": "",
   "isPublic": true,
   "isDownloadable": true,
@@ -14,8 +14,8 @@
   "contextUrl": "https://github.com/datarobot/datarobot-user-models/tree/master/public_dropin_environments/python311",
   "imageRepository": "env-python",
   "tags": [
-    "v11.4.0-693734dc34f605126d279d35",
-    "693734dc34f605126d279d35",
+    "v11.4.0-69447f1e9bcfd90793c17021",
+    "69447f1e9bcfd90793c17021",
     "v11.4.0-latest"
   ]
 }
diff --git a/public_dropin_environments/python311/requirements.txt b/public_dropin_environments/python311/requirements.txt
index 461fc216f..f3bbc9761 100644
--- a/public_dropin_environments/python311/requirements.txt
+++ b/public_dropin_environments/python311/requirements.txt
@@ -1,8 +1,8 @@
 #
-# This file is autogenerated by pip-compile with Python 3.10
+# This file is autogenerated by pip-compile with Python 3.11
 # by the following command:
 #
-#    pip-compile --index-url=https://pypi.org/simple --no-annotate --no-emit-index-url --no-emit-trusted-host --output-file=requirements.txt requirements.in
+#    pip-compile --cert=None --client-cert=None --index-url=https://pypi.org/simple --no-annotate --no-emit-index-url --no-emit-trusted-host --output-file=requirements.txt --pip-args=None requirements.in
 #
 annotated-types==0.7.0
 argcomplete==3.6.3
@@ -19,7 +19,7 @@ charset-normalizer==3.4.4
 click==8.3.1
 cryptography==46.0.3
 datarobot==3.10.0
-datarobot-drum==1.17.8
+datarobot-drum==1.17.10
 datarobot-mlops==11.1.0
 datarobot-storage==2.2.0
 docker==7.1.0
diff --git a/public_dropin_environments/python311_genai_agents/env_info.json b/public_dropin_environments/python311_genai_agents/env_info.json
index 8159ba640..0dc5301b3 100644
--- a/public_dropin_environments/python311_genai_agents/env_info.json
+++ b/public_dropin_environments/python311_genai_agents/env_info.json
@@ -4,7 +4,7 @@
   "description": "This template environment can be used to create GenAI-powered agents using CrewAI, LangGraph, or Llama-Index. Similar to other drop-in environments, you can either include a .pth artifact or any other code needed to deserialize your model, and optionally a custom.py file. You can also use this environment in codespaces.",
   "programmingLanguage": "python",
   "label": "",
-  "environmentVersionId": "69417fa8b1ce07076dca7611",
+  "environmentVersionId": "69447f269bcfd907abb4fadf",
   "environmentVersionDescription": "",
   "isPublic": true,
   "isDownloadable": true,
@@ -15,8 +15,8 @@
   "contextUrl": "https://github.com/datarobot/datarobot-user-models/tree/master/public_dropin_environments/python311_genai_agents",
   "imageRepository": "env-python-genai-agents",
   "tags": [
-    "v11.4.0-69417fa8b1ce07076dca7611",
-    "69417fa8b1ce07076dca7611",
+    "v11.4.0-69447f269bcfd907abb4fadf",
+    "69447f269bcfd907abb4fadf",
     "v11.4.0-latest"
   ]
 }
diff --git a/public_dropin_environments/python311_genai_agents/requirements.txt b/public_dropin_environments/python311_genai_agents/requirements.txt
index d5878d2b1..3bc6ba24f 100644
--- a/public_dropin_environments/python311_genai_agents/requirements.txt
+++ b/public_dropin_environments/python311_genai_agents/requirements.txt
@@ -1,4 +1,4 @@
-datarobot-drum==1.17.8
+datarobot-drum==1.17.10
 datarobot-genai==0.2.7
 datarobot-mlops==11.1.0
 datarobot-moderations==11.2.8
diff --git a/public_dropin_environments/python3_keras/Dockerfile b/public_dropin_environments/python3_keras/Dockerfile
index 5449638ca..c12287a90 100644
--- a/public_dropin_environments/python3_keras/Dockerfile
+++ b/public_dropin_environments/python3_keras/Dockerfile
@@ -59,6 +59,9 @@ ENV ADDRESS=0.0.0.0:8080
 ENV WITH_ERROR_SERVER=0 \
     PYTHONUNBUFFERED=1
 
+# Gunicorn configuration
+ENV MLOPS_RUNTIME_PARAM_DRUM_SERVER_TYPE='{"type": "string", "payload": "gunicorn"}'
+
 COPY ./*.sh ${CODE_DIR}/
 WORKDIR ${CODE_DIR}
 
diff --git a/public_dropin_environments/python3_keras/env_info.json b/public_dropin_environments/python3_keras/env_info.json
index d77418805..06ad4ba6e 100644
--- a/public_dropin_environments/python3_keras/env_info.json
+++ b/public_dropin_environments/python3_keras/env_info.json
@@ -4,7 +4,7 @@
   "description": "This template environment can be used to create artifact-only keras custom models. This environment contains keras backed by tensorflow and only requires your model artifact as a .h5 file and optionally a custom.py file.",
   "programmingLanguage": "python",
   "label": "",
-  "environmentVersionId": "693734e634f60512884447a9",
+  "environmentVersionId": "69447f279bcfd907beabbacc",
   "environmentVersionDescription": "",
   "isPublic": true,
   "isDownloadable": true,
@@ -14,8 +14,8 @@
   "contextUrl": "https://github.com/datarobot/datarobot-user-models/tree/master/public_dropin_environments/python3_keras",
   "imageRepository": "env-python-keras",
   "tags": [
-    "v11.4.0-693734e634f60512884447a9",
-    "693734e634f60512884447a9",
+    "v11.4.0-69447f279bcfd907beabbacc",
+    "69447f279bcfd907beabbacc",
     "v11.4.0-latest"
   ]
 }
diff --git a/public_dropin_environments/python3_keras/requirements.txt b/public_dropin_environments/python3_keras/requirements.txt
index 066d914ab..3f39f59d6 100644
--- a/public_dropin_environments/python3_keras/requirements.txt
+++ b/public_dropin_environments/python3_keras/requirements.txt
@@ -1,8 +1,8 @@
 #
-# This file is autogenerated by pip-compile with Python 3.10
+# This file is autogenerated by pip-compile with Python 3.11
 # by the following command:
 #
-#    pip-compile --index-url=https://pypi.org/simple --no-annotate --no-emit-index-url --no-emit-trusted-host --output-file=requirements.txt requirements.in
+#    pip-compile --cert=None --client-cert=None --index-url=https://pypi.org/simple --no-annotate --no-emit-index-url --no-emit-trusted-host --output-file=requirements.txt --pip-args=None requirements.in
 #
 absl-py==2.3.1
 annotated-types==0.7.0
@@ -21,7 +21,7 @@ charset-normalizer==3.4.4
 click==8.3.1
 cryptography==46.0.3
 datarobot==3.10.0
-datarobot-drum==1.17.8
+datarobot-drum==1.17.10
 datarobot-mlops==11.1.0
 datarobot-storage==2.2.0
 docker==7.1.0
diff --git a/public_dropin_environments/python3_onnx/Dockerfile b/public_dropin_environments/python3_onnx/Dockerfile
index df987037c..b6463d83f 100644
--- a/public_dropin_environments/python3_onnx/Dockerfile
+++ b/public_dropin_environments/python3_onnx/Dockerfile
@@ -59,6 +59,8 @@ ENV ADDRESS=0.0.0.0:8080
 ENV WITH_ERROR_SERVER=0 \
     PYTHONUNBUFFERED=1
 
+# Gunicorn configuration
+ENV MLOPS_RUNTIME_PARAM_DRUM_SERVER_TYPE='{"type": "string", "payload": "gunicorn"}'
 
 COPY ./*.sh ${CODE_DIR}/
 WORKDIR ${CODE_DIR}
diff --git a/public_dropin_environments/python3_onnx/env_info.json b/public_dropin_environments/python3_onnx/env_info.json
index 1a365e8bc..63b7237ce 100644
--- a/public_dropin_environments/python3_onnx/env_info.json
+++ b/public_dropin_environments/python3_onnx/env_info.json
@@ -4,7 +4,7 @@
   "description": "This template environment can be used to create artifact-only ONNX custom models. This environment contains ONNX runtime and only requires your model artifact as an .onnx file and optionally a custom.py file.",
   "programmingLanguage": "python",
   "label": "",
-  "environmentVersionId": "693734f634f60512aea4ca03",
+  "environmentVersionId": "69447f3a9bcfd907e14f4fdc",
   "environmentVersionDescription": "",
   "isPublic": true,
   "isDownloadable": true,
@@ -14,8 +14,8 @@
   "contextUrl": "https://github.com/datarobot/datarobot-user-models/tree/master/public_dropin_environments/python3_onnx",
   "imageRepository": "env-python-onnx",
   "tags": [
-    "v11.4.0-693734f634f60512aea4ca03",
-    "693734f634f60512aea4ca03",
+    "v11.4.0-69447f3a9bcfd907e14f4fdc",
+    "69447f3a9bcfd907e14f4fdc",
     "v11.4.0-latest"
   ]
 }
diff --git a/public_dropin_environments/python3_onnx/requirements.txt b/public_dropin_environments/python3_onnx/requirements.txt
index 1692b1c2d..df68ffcc3 100644
--- a/public_dropin_environments/python3_onnx/requirements.txt
+++ b/public_dropin_environments/python3_onnx/requirements.txt
@@ -1,8 +1,8 @@
 #
-# This file is autogenerated by pip-compile with Python 3.10
+# This file is autogenerated by pip-compile with Python 3.11
 # by the following command:
 #
-#    pip-compile --index-url=https://pypi.org/simple --no-annotate --no-emit-index-url --no-emit-trusted-host --output-file=requirements.txt requirements.in
+#    pip-compile --cert=None --client-cert=None --index-url=https://pypi.org/simple --no-annotate --no-emit-index-url --no-emit-trusted-host --output-file=requirements.txt --pip-args=None requirements.in
 #
 annotated-types==0.7.0
 argcomplete==3.6.3
@@ -20,7 +20,7 @@ click==8.3.1
 coloredlogs==15.0.1
 cryptography==46.0.3
 datarobot==3.10.0
-datarobot-drum==1.17.8
+datarobot-drum==1.17.10
 datarobot-mlops==11.1.0
 datarobot-storage==2.2.0
 docker==7.1.0
diff --git a/public_dropin_environments/python3_pytorch/Dockerfile b/public_dropin_environments/python3_pytorch/Dockerfile
index ae97a6f08..c12287a90 100644
--- a/public_dropin_environments/python3_pytorch/Dockerfile
+++ b/public_dropin_environments/python3_pytorch/Dockerfile
@@ -59,6 +59,8 @@ ENV ADDRESS=0.0.0.0:8080
 ENV WITH_ERROR_SERVER=0 \
     PYTHONUNBUFFERED=1
 
+# Gunicorn configuration
+ENV MLOPS_RUNTIME_PARAM_DRUM_SERVER_TYPE='{"type": "string", "payload": "gunicorn"}'
 
 COPY ./*.sh ${CODE_DIR}/
 WORKDIR ${CODE_DIR}
diff --git a/public_dropin_environments/python3_pytorch/env_info.json b/public_dropin_environments/python3_pytorch/env_info.json
index 5c81998ff..e31f7165e 100644
--- a/public_dropin_environments/python3_pytorch/env_info.json
+++ b/public_dropin_environments/python3_pytorch/env_info.json
@@ -4,7 +4,7 @@
   "description": "This template environment can be used to create artifact-only PyTorch custom models. This environment contains PyTorch and requires only your model artifact as a .pth file, any other code needed to deserialize your model, and optionally a custom.py file.",
   "programmingLanguage": "python",
   "label": "",
-  "environmentVersionId": "6937350034f60512cffcccf3",
+  "environmentVersionId": "69447f449bcfd907fc6550c9",
   "environmentVersionDescription": "",
   "isPublic": true,
   "isDownloadable": true,
@@ -14,8 +14,8 @@
   "contextUrl": "https://github.com/datarobot/datarobot-user-models/tree/master/public_dropin_environments/python3_pytorch",
   "imageRepository": "env-python-pytorch",
   "tags": [
-    "v11.4.0-6937350034f60512cffcccf3",
-    "6937350034f60512cffcccf3",
+    "v11.4.0-69447f449bcfd907fc6550c9",
+    "69447f449bcfd907fc6550c9",
     "v11.4.0-latest"
   ]
 }
diff --git a/public_dropin_environments/python3_pytorch/requirements.txt b/public_dropin_environments/python3_pytorch/requirements.txt
index 0410c0ec0..20a686a82 100644
--- a/public_dropin_environments/python3_pytorch/requirements.txt
+++ b/public_dropin_environments/python3_pytorch/requirements.txt
@@ -1,8 +1,8 @@
 #
-# This file is autogenerated by pip-compile with Python 3.10
+# This file is autogenerated by pip-compile with Python 3.11
 # by the following command:
 #
-#    pip-compile --index-url=https://pypi.org/simple --no-annotate --no-emit-index-url --no-emit-trusted-host --output-file=requirements.txt requirements.in
+#    pip-compile --cert=None --client-cert=None --index-url=https://pypi.org/simple --no-annotate --no-emit-index-url --no-emit-trusted-host --output-file=requirements.txt --pip-args=None requirements.in
 #
 annotated-types==0.7.0
 argcomplete==3.6.3
@@ -19,7 +19,7 @@ charset-normalizer==3.4.4
 click==8.3.1
 cryptography==46.0.3
 datarobot==3.10.0
-datarobot-drum==1.17.8
+datarobot-drum==1.17.10
 datarobot-mlops==11.1.0
 datarobot-storage==2.2.0
 docker==7.1.0
diff --git a/public_dropin_environments/python3_sklearn/Dockerfile b/public_dropin_environments/python3_sklearn/Dockerfile
index ae97a6f08..25c134bd0 100644
--- a/public_dropin_environments/python3_sklearn/Dockerfile
+++ b/public_dropin_environments/python3_sklearn/Dockerfile
@@ -59,6 +59,10 @@ ENV ADDRESS=0.0.0.0:8080
 ENV WITH_ERROR_SERVER=0 \
     PYTHONUNBUFFERED=1
 
+# ENV MLOPS_RUNTIME_PARAM_DRUM_CLIENT_REQUEST_TIMEOUT='{"type": "numeric", "payload": 660}'
+
+# Gunicorn configuration
+ENV MLOPS_RUNTIME_PARAM_DRUM_SERVER_TYPE='{"type": "string", "payload": "gunicorn"}'
 
 COPY ./*.sh ${CODE_DIR}/
 WORKDIR ${CODE_DIR}
diff --git a/public_dropin_environments/python3_sklearn/env_info.json b/public_dropin_environments/python3_sklearn/env_info.json
index 59ce0af52..9b7f76c57 100644
--- a/public_dropin_environments/python3_sklearn/env_info.json
+++ b/public_dropin_environments/python3_sklearn/env_info.json
@@ -4,7 +4,7 @@
   "description": "This template environment can be used to create artifact-only scikit-learn custom models. This environment contains scikit-learn and only requires your model artifact as a .pkl file and optionally a custom.py file.",
   "programmingLanguage": "python",
   "label": "",
-  "environmentVersionId": "6937359c34f60513461b86db",
+  "environmentVersionId": "69447fb29bcfd90825cad38e",
   "environmentVersionDescription": "",
   "isPublic": true,
   "isDownloadable": true,
@@ -14,8 +14,8 @@
   "contextUrl": "https://github.com/datarobot/datarobot-user-models/tree/master/public_dropin_environments/python3_sklearn",
   "imageRepository": "env-python-sklearn",
   "tags": [
-    "v11.4.0-6937359c34f60513461b86db",
-    "6937359c34f60513461b86db",
+    "v11.4.0-69447fb29bcfd90825cad38e",
+    "69447fb29bcfd90825cad38e",
     "v11.4.0-latest"
   ]
 }
diff --git a/public_dropin_environments/python3_sklearn/requirements.txt b/public_dropin_environments/python3_sklearn/requirements.txt
index 4b2b4695f..36b9fde18 100644
--- a/public_dropin_environments/python3_sklearn/requirements.txt
+++ b/public_dropin_environments/python3_sklearn/requirements.txt
@@ -1,8 +1,8 @@
 #
-# This file is autogenerated by pip-compile with Python 3.10
+# This file is autogenerated by pip-compile with Python 3.11
 # by the following command:
 #
-#    pip-compile --index-url=https://pypi.org/simple --no-annotate --no-emit-index-url --no-emit-trusted-host --output-file=requirements.txt requirements.in
+#    pip-compile --cert=None --client-cert=None --index-url=https://pypi.org/simple --no-annotate --no-emit-index-url --no-emit-trusted-host --output-file=requirements.txt --pip-args=None requirements.in
 #
 annotated-types==0.7.0
 argcomplete==3.6.3
@@ -19,7 +19,7 @@ charset-normalizer==3.4.4
 click==8.3.1
 cryptography==46.0.3
 datarobot==3.10.0
-datarobot-drum==1.17.8
+datarobot-drum==1.17.10
 datarobot-mlops==11.1.0
 datarobot-storage==2.2.0
 docker==7.1.0
diff --git a/public_dropin_environments/python3_xgboost/Dockerfile b/public_dropin_environments/python3_xgboost/Dockerfile
index e7a4ec35c..71b187ddd 100644
--- a/public_dropin_environments/python3_xgboost/Dockerfile
+++ b/public_dropin_environments/python3_xgboost/Dockerfile
@@ -66,6 +66,9 @@ ENV WITH_ERROR_SERVER=0 \
 # Maybe the same would apply to gunicorn, when we test.
 # ENV OMP_NUM_THREADS=1
 
+# Gunicorn configuration
+ENV MLOPS_RUNTIME_PARAM_DRUM_SERVER_TYPE='{"type": "string", "payload": "gunicorn"}'
+
 COPY ./*.sh ${CODE_DIR}/
 WORKDIR ${CODE_DIR}
 
diff --git a/public_dropin_environments/python3_xgboost/env_info.json b/public_dropin_environments/python3_xgboost/env_info.json
index f0dac0937..faf2c6afc 100644
--- a/public_dropin_environments/python3_xgboost/env_info.json
+++ b/public_dropin_environments/python3_xgboost/env_info.json
@@ -4,7 +4,7 @@
   "description": "This template environment can be used to create artifact-only xgboost custom models. This environment contains xgboost and only requires your model artifact as a .pkl file and optionally a custom.py file.",
   "programmingLanguage": "python",
   "label": "",
-  "environmentVersionId": "693735a534f6051361786f34",
+  "environmentVersionId": "69447fbb9bcfd9083d7533c2",
   "environmentVersionDescription": "",
   "isPublic": true,
   "isDownloadable": true,
@@ -14,8 +14,8 @@
   "contextUrl": "https://github.com/datarobot/datarobot-user-models/tree/master/public_dropin_environments/python3_xgboost",
   "imageRepository": "env-python-xgboost",
   "tags": [
-    "v11.4.0-693735a534f6051361786f34",
-    "693735a534f6051361786f34",
+    "v11.4.0-69447fbb9bcfd9083d7533c2",
+    "69447fbb9bcfd9083d7533c2",
     "v11.4.0-latest"
   ]
 }
diff --git a/public_dropin_environments/python3_xgboost/requirements.txt b/public_dropin_environments/python3_xgboost/requirements.txt
index 6a6701514..dfa239eeb 100644
--- a/public_dropin_environments/python3_xgboost/requirements.txt
+++ b/public_dropin_environments/python3_xgboost/requirements.txt
@@ -1,8 +1,8 @@
 #
-# This file is autogenerated by pip-compile with Python 3.10
+# This file is autogenerated by pip-compile with Python 3.11
 # by the following command:
 #
-#    pip-compile --index-url=https://pypi.org/simple --no-annotate --no-emit-index-url --no-emit-trusted-host --output-file=requirements.txt requirements.in
+#    pip-compile --cert=None --client-cert=None --index-url=https://pypi.org/simple --no-annotate --no-emit-index-url --no-emit-trusted-host --output-file=requirements.txt --pip-args=None requirements.in
 #
 annotated-types==0.7.0
 argcomplete==3.6.3
@@ -19,7 +19,7 @@ charset-normalizer==3.4.4
 click==8.3.1
 cryptography==46.0.3
 datarobot==3.10.0
-datarobot-drum==1.17.8
+datarobot-drum==1.17.10
 datarobot-mlops==11.1.0
 datarobot-storage==2.2.0
 docker==7.1.0
diff --git a/public_dropin_environments/r_lang/Dockerfile b/public_dropin_environments/r_lang/Dockerfile
index 718f97373..d100034e8 100644
--- a/public_dropin_environments/r_lang/Dockerfile
+++ b/public_dropin_environments/r_lang/Dockerfile
@@ -158,6 +158,9 @@ ENV ADDRESS=0.0.0.0:8080
 ENV WITH_ERROR_SERVER=0 \
     PYTHONUNBUFFERED=1
 
+# Gunicorn configuration
+ENV MLOPS_RUNTIME_PARAM_DRUM_SERVER_TYPE='{"type": "string", "payload": "gunicorn"}'
+
 COPY ./*.sh ${CODE_DIR}/
 WORKDIR ${CODE_DIR}
 
diff --git a/public_dropin_environments/r_lang/env_info.json b/public_dropin_environments/r_lang/env_info.json
index 82011c357..d2541c584 100644
--- a/public_dropin_environments/r_lang/env_info.json
+++ b/public_dropin_environments/r_lang/env_info.json
@@ -4,7 +4,7 @@
   "description": "This template environment can be used to create artifact-only R custom models that use the caret library. Your custom model archive need only contain your model artifacts if you use the environment correctly.",
   "programmingLanguage": "r",
   "label": "",
-  "environmentVersionId": "693735b134f60513813a3a49",
+  "environmentVersionId": "69447fc89bcfd90857cba3c7",
   "environmentVersionDescription": "",
   "isPublic": true,
   "isDownloadable": true,
@@ -14,8 +14,8 @@
   "contextUrl": "https://github.com/datarobot/datarobot-user-models/tree/master/public_dropin_environments/r_lang",
   "imageRepository": "env-r-lang",
   "tags": [
-    "v11.4.0-693735b134f60513813a3a49",
-    "693735b134f60513813a3a49",
+    "v11.4.0-69447fc89bcfd90857cba3c7",
+    "69447fc89bcfd90857cba3c7",
     "v11.4.0-latest"
   ]
 }
diff --git a/public_dropin_environments/r_lang/requirements.txt b/public_dropin_environments/r_lang/requirements.txt
index 3881bc64c..93e3845ce 100644
--- a/public_dropin_environments/r_lang/requirements.txt
+++ b/public_dropin_environments/r_lang/requirements.txt
@@ -1,8 +1,8 @@
 #
-# This file is autogenerated by pip-compile with Python 3.10
+# This file is autogenerated by pip-compile with Python 3.11
 # by the following command:
 #
-#    pip-compile --index-url=https://pypi.org/simple --no-annotate --no-emit-index-url --no-emit-trusted-host --output-file=requirements.txt requirements.in
+#    pip-compile --cert=None --client-cert=None --index-url=https://pypi.org/simple --no-annotate --no-emit-index-url --no-emit-trusted-host --output-file=requirements.txt --pip-args=None requirements.in
 #
 annotated-types==0.7.0
 argcomplete==3.6.3
diff --git a/tests/functional/test_drum_server_failures.py b/tests/functional/test_drum_server_failures.py
index 080e2726c..0eed54c49 100644
--- a/tests/functional/test_drum_server_failures.py
+++ b/tests/functional/test_drum_server_failures.py
@@ -128,10 +128,13 @@ def test_ping_endpoints(self, params, with_error_server, production, docker):
 
     @pytest.mark.parametrize(
         "with_error_server, production, docker",
-        [(False, False, None), (True, False, None), (True, True, DOCKER_PYTHON_SKLEARN)],
+        [(False, False, None), (True, False, None), (False, False, DOCKER_PYTHON_SKLEARN)],
     )
     def test_e2e_no_model_artifact(self, params, with_error_server, production, docker):
         """
+        Note: 12/17/2025 DOCKER_PYTHON_SKLEARN image is going to use gunicorn,
+        so it doesn't support running with error server or production anymore.
+
         Verify that if an error occurs on DRUM server initialization if no model artifact is found
           - if '--with-error-server' is not set, DRUM server process will exit with error
           - if '--with-error-server' is set, 'error server' will still be started, and
@@ -152,10 +155,13 @@ def test_e2e_no_model_artifact(self, params, with_error_server, production, dock
 
     @pytest.mark.parametrize(
         "with_error_server, production, docker",
-        [(False, False, None), (True, False, None), (True, True, DOCKER_PYTHON_SKLEARN)],
+        [(False, False, None), (True, False, None), (False, False, DOCKER_PYTHON_SKLEARN)],
     )
     def test_e2e_model_loading_fails(self, params, with_error_server, production, docker):
         """
+        Note: 12/17/2025 DOCKER_PYTHON_SKLEARN image is going to use gunicorn,
+        so it doesn't support running with error server or production anymore.
+
         Verify that if an error occurs on DRUM server initialization if model cannot load properly
           - if '--with-error-server' is not set, drum server process will exit with error
           - if '--with-error-server' is set, 'error server' will still be started, and