diff --git a/requirements.txt b/requirements.txt
index b4a6e1e7..b6c7e001 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ spacy==3.7.5
 pydantic==2.11.4
 Pillow==11.2.1
 sentencepiece==0.2.0
-protobuf==6.30.2
+protobuf==6.31.1
 pytesseract==0.3.13
 aiohttp==3.11.18
 numpy==1.26.4