diff --git a/py/requirements.txt b/py/requirements.txt
index 58c510f..a7c80a0 100644
--- a/py/requirements.txt
+++ b/py/requirements.txt
@@ -2,7 +2,7 @@ base58==2.1.1
 click==8.1.7
 markdown-it-py==3.0.0
 mdurl==0.1.2
-protobuf==5.26.1
+protobuf==5.29.5
 Pygments==2.17.2
 rich==13.7.1
 sentencepiece==0.2.0