diff --git a/pyproject.toml b/pyproject.toml
index 13b854f..2b297f8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ optional-dependencies = { test-tools = [
     "prometheus-client (>=0.0.16)",
 ], flagsmith-schemas = [
     "typing_extensions",
-    "flagsmith-flag-engine>10",
+    "flagsmith-flag-engine>6",
 ] }
 authors = [
     { name = "Matthew Elwell" },
diff --git a/uv.lock b/uv.lock
index 2f5c0a6..df71c9d 100644
--- a/uv.lock
+++ b/uv.lock
@@ -462,7 +462,7 @@ requires-dist = [
     { name = "drf-spectacular", marker = "extra == 'common-core'", specifier = ">=0.28.0,<1" },
     { name = "drf-writable-nested", marker = "extra == 'common-core'" },
     { name = "environs", marker = "extra == 'common-core'", specifier = "<15" },
-    { name = "flagsmith-flag-engine", marker = "extra == 'flagsmith-schemas'", specifier = ">10" },
+    { name = "flagsmith-flag-engine", marker = "extra == 'flagsmith-schemas'", specifier = ">6" },
     { name = "gunicorn", marker = "extra == 'common-core'", specifier = ">=19.1" },
     { name = "prometheus-client", marker = "extra == 'common-core'", specifier = ">=0.0.16" },
     { name = "prometheus-client", marker = "extra == 'task-processor'", specifier = ">=0.0.16" },
@@ -570,33 +570,6 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/cb/b1/3846dd7f199d53cb17f49cba7e651e9ce294d8497c8c150530ed11865bb8/iniconfig-2.3.0-py3-none-any.whl", hash = "sha256:f631c04d2c48c52b84d0d0549c99ff3859c98df65b3101406327ecc7d53fbf12", size = 7484, upload-time = "2025-10-18T21:55:41.639Z" },
 ]
 
-[[package]]
-name = "jsonschema"
-version = "4.25.1"
-source = { registry = "https://pypi.org/simple" }
-dependencies = [
-    { name = "attrs" },
-    { name = "jsonschema-specifications" },
-    { name = "referencing" },
-    { name = "rpds-py" },
-]
-sdist = { url = "https://files.pythonhosted.org/packages/74/69/f7185de793a29082a9f3c7728268ffb31cb5095131a9c139a74078e27336/jsonschema-4.25.1.tar.gz", hash = "sha256:e4a9655ce0da0c0b67a085847e00a3a51449e1157f4f75e9fb5aa545e122eb85", size = 357342, upload-time = "2025-08-18T17:03:50.038Z" }
-wheels = [
-    { url = "https://files.pythonhosted.org/packages/bf/9c/8c95d856233c1f82500c2450b8c68576b4cf1c871db3afac5c34ff84e6fd/jsonschema-4.25.1-py3-none-any.whl", hash = "sha256:3fba0169e345c7175110351d456342c364814cfcf3b964ba4587f22915230a63", size = 90040, upload-time = "2025-08-18T17:03:48.373Z" },
-]
-
-[[package]]
-name = "jsonschema-specifications"
-version = "2025.9.1"
-source = { registry = "https://pypi.org/simple" }
-dependencies = [
-    { name = "referencing" },
-]
-sdist = { url = "https://files.pythonhosted.org/packages/19/74/a633ee74eb36c44aa6d1095e7cc5569bebf04342ee146178e2d36600708b/jsonschema_specifications-2025.9.1.tar.gz", hash = "sha256:b540987f239e745613c7a9176f3edb72b832a4ac465cf02712288397832b5e8d", size = 32855, upload-time = "2025-09-08T01:34:59.186Z" }
-wheels = [
-    { url = "https://files.pythonhosted.org/packages/41/45/1a4ed80516f02155c51f51e8cedb3c1902296743db0bbc66608a0db2814f/jsonschema_specifications-2025.9.1-py3-none-any.whl", hash = "sha256:98802fee3a11ee76ecaca44429fda8a41bff98b00a0f2838151b113f210cc6fe", size = 18437, upload-time = "2025-09-08T01:34:57.871Z" },
-]
-
 [[package]]
 name = "iregexp-check"
 version = "0.1.4"
@@ -632,6 +605,33 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/ad/0f/6ac19c91217cbe4f41a8ed7c00a13c4efa19831aa0b85f9dfb71aefa096c/jsonpath_rfc9535-0.2.0-py3-none-any.whl", hash = "sha256:76488ac205e13af28dc1f8fccdd4df641a950605faad6c5b6b2451483a5b4624", size = 36492, upload-time = "2025-11-30T09:03:16.849Z" },
 ]
 
+[[package]]
+name = "jsonschema"
+version = "4.25.1"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "attrs" },
+    { name = "jsonschema-specifications" },
+    { name = "referencing" },
+    { name = "rpds-py" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/74/69/f7185de793a29082a9f3c7728268ffb31cb5095131a9c139a74078e27336/jsonschema-4.25.1.tar.gz", hash = "sha256:e4a9655ce0da0c0b67a085847e00a3a51449e1157f4f75e9fb5aa545e122eb85", size = 357342, upload-time = "2025-08-18T17:03:50.038Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/bf/9c/8c95d856233c1f82500c2450b8c68576b4cf1c871db3afac5c34ff84e6fd/jsonschema-4.25.1-py3-none-any.whl", hash = "sha256:3fba0169e345c7175110351d456342c364814cfcf3b964ba4587f22915230a63", size = 90040, upload-time = "2025-08-18T17:03:48.373Z" },
+]
+
+[[package]]
+name = "jsonschema-specifications"
+version = "2025.9.1"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "referencing" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/19/74/a633ee74eb36c44aa6d1095e7cc5569bebf04342ee146178e2d36600708b/jsonschema_specifications-2025.9.1.tar.gz", hash = "sha256:b540987f239e745613c7a9176f3edb72b832a4ac465cf02712288397832b5e8d", size = 32855, upload-time = "2025-09-08T01:34:59.186Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/41/45/1a4ed80516f02155c51f51e8cedb3c1902296743db0bbc66608a0db2814f/jsonschema_specifications-2025.9.1-py3-none-any.whl", hash = "sha256:98802fee3a11ee76ecaca44429fda8a41bff98b00a0f2838151b113f210cc6fe", size = 18437, upload-time = "2025-09-08T01:34:57.871Z" },
+]
+
 [[package]]
 name = "librt"
 version = "0.7.3"