diff --git a/backend/requirements.txt b/backend/requirements.txt
index be22ef9bf..5ba6a84d4 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -53,7 +53,7 @@ elasticsearch==8.17.1
 pinecone==6.0.2
 
 transformers
-sentence-transformers==3.3.1
+sentence-transformers==4.1.0
 accelerate
 colbert-ai==0.2.21
 einops==0.8.1
diff --git a/pyproject.toml b/pyproject.toml
index 882071f42..7760b51bc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -61,7 +61,7 @@ dependencies = [
     "pinecone==6.0.2",
 
     "transformers",
-    "sentence-transformers==3.3.1",
+    "sentence-transformers==4.1.0",
     "accelerate",
     "colbert-ai==0.2.21",
     "einops==0.8.1",