diff --git a/backend/requirements/default.txt b/backend/requirements/default.txt
index 016d14c2325..7d9bbf618e5 100644
--- a/backend/requirements/default.txt
+++ b/backend/requirements/default.txt
@@ -78,7 +78,7 @@ starlette==0.36.3
 supervisor==4.2.5
 tiktoken==0.7.0
 timeago==1.0.16
-transformers==4.39.2
+transformers==5.5.0
 unstructured==0.15.1
 unstructured-client==0.25.4
 uvicorn==0.21.1
diff --git a/backend/requirements/model_server.txt b/backend/requirements/model_server.txt
index b4d4a9f066a..209f2dd234d 100644
--- a/backend/requirements/model_server.txt
+++ b/backend/requirements/model_server.txt
@@ -9,7 +9,7 @@ retry==0.9.2
 safetensors==0.4.2
 sentence-transformers==2.6.1
 torch==2.2.0
-transformers==4.39.2
+transformers==5.5.0
 uvicorn==0.21.1
 voyageai==0.2.3
 litellm==1.61.16