diff --git a/crowdin_api/api_resources/translations/resource.py b/crowdin_api/api_resources/translations/resource.py
index 347b10a..020da3c 100644
--- a/crowdin_api/api_resources/translations/resource.py
+++ b/crowdin_api/api_resources/translations/resource.py
@@ -5,6 +5,7 @@
 from crowdin_api.api_resources.translations.types import (
     FallbackLanguages,
     EditPreTranslationScheme,
+    UploadTranslationRequest,
 )
 from crowdin_api.api_resources.translations.enums import (
     CharTransformation,
@@ -325,6 +326,7 @@ def upload_translation(
         importEqSuggestions: Optional[bool] = None,
         autoApproveImported: Optional[bool] = None,
         translateHidden: Optional[bool] = None,
+        addToTm: Optional[bool] = None,
     ):
         """
         Upload Translations.
@@ -332,19 +334,21 @@ def upload_translation(
         Link to documentation:
         https://developer.crowdin.com/api/v2/#operation/api.projects.translations.postOnLanguage
         """
-
         projectId = projectId or self.get_project_id()
 
+        request_data: UploadTranslationRequest = {
+            "storageId": storageId,
+            "fileId": fileId,
+            "importEqSuggestions": importEqSuggestions,
+            "autoApproveImported": autoApproveImported,
+            "translateHidden": translateHidden,
+            "addToTm": addToTm,
+        }
+
         return self.requester.request(
             method="post",
             path=f"projects/{projectId}/translations/{languageId}",
-            request_data={
-                "storageId": storageId,
-                "fileId": fileId,
-                "importEqSuggestions": importEqSuggestions,
-                "autoApproveImported": autoApproveImported,
-                "translateHidden": translateHidden,
-            },
+            request_data=request_data,
         )
 
     def download_project_translations(
diff --git a/crowdin_api/api_resources/translations/tests/test_translations_resources.py b/crowdin_api/api_resources/translations/tests/test_translations_resources.py
index 4838bad..2f35cea 100644
--- a/crowdin_api/api_resources/translations/tests/test_translations_resources.py
+++ b/crowdin_api/api_resources/translations/tests/test_translations_resources.py
@@ -322,6 +322,7 @@ def test_build_pseudo_project_translation(
                     "importEqSuggestions": None,
                     "autoApproveImported": None,
                     "translateHidden": None,
+                    "addToTm": None,
                 },
             ),
             (
@@ -331,6 +332,7 @@ def test_build_pseudo_project_translation(
                     "importEqSuggestions": False,
                     "autoApproveImported": False,
                     "translateHidden": False,
+                    "addToTm": False,
                 },
                 {
                     "storageId": 1,
@@ -338,6 +340,55 @@ def test_build_pseudo_project_translation(
                     "importEqSuggestions": False,
                     "autoApproveImported": False,
                     "translateHidden": False,
+                    "addToTm": False,
+                },
+            ),
+            (
+                {
+                    "storageId": 1,
+                    "fileId": 2,
+                    "importEqSuggestions": True,
+                    "autoApproveImported": True,
+                    "translateHidden": True,
+                    "addToTm": True,
+                },
+                {
+                    "storageId": 1,
+                    "fileId": 2,
+                    "importEqSuggestions": True,
+                    "autoApproveImported": True,
+                    "translateHidden": True,
+                    "addToTm": True,
+                },
+            ),
+            (
+                {
+                    "storageId": 1,
+                    "fileId": 2,
+                    "addToTm": False,
+                },
+                {
+                    "storageId": 1,
+                    "fileId": 2,
+                    "importEqSuggestions": None,
+                    "autoApproveImported": None,
+                    "translateHidden": None,
+                    "addToTm": False,
+                },
+            ),
+            (
+                {
+                    "storageId": 1,
+                    "fileId": 2,
+                    "addToTm": True,
+                },
+                {
+                    "storageId": 1,
+                    "fileId": 2,
+                    "importEqSuggestions": None,
+                    "autoApproveImported": None,
+                    "translateHidden": None,
+                    "addToTm": True,
                 },
             ),
         ),
diff --git a/crowdin_api/api_resources/translations/types.py b/crowdin_api/api_resources/translations/types.py
index 32d0182..d42b55a 100644
--- a/crowdin_api/api_resources/translations/types.py
+++ b/crowdin_api/api_resources/translations/types.py
@@ -1,7 +1,5 @@
-from typing import Iterable
-
+from typing import Iterable, Optional
 from crowdin_api.typing import TypedDict
-
 from crowdin_api.api_resources.translations.enums import PreTranslationEditOperation
 
 
@@ -13,3 +11,12 @@ class EditPreTranslationScheme(TypedDict):
     op: PreTranslationEditOperation
     path: str
     value: str
+
+
+class UploadTranslationRequest(TypedDict):
+    storageId: int
+    fileId: int
+    importEqSuggestions: Optional[bool]
+    autoApproveImported: Optional[bool]
+    translateHidden: Optional[bool]
+    addToTm: Optional[bool]