chore: dep bump

backend/requirements.txt

@@ -64,7 +64,7 @@ oracledb==3.2.0
 
 av==14.0.1 # Caution: Set due to FATAL FIPS SELFTEST FAILURE, see discussion https://github.com/open-webui/open-webui/discussions/15720
 transformers
-sentence-transformers==4.1.0
+sentence-transformers==5.1.1
 accelerate
 colbert-ai==0.2.21
 pyarrow==20.0.0 # fix: pin pyarrow version to 20 for rpi compatibility #15897

pyproject.toml

@@ -62,7 +62,7 @@ dependencies = [
     "opensearch-py==2.8.0",
     
     "transformers",
-    "sentence-transformers==4.1.0",
+    "sentence-transformers==5.1.1",
     "accelerate",
     "pyarrow==20.0.0",
     "einops==0.8.1",