diff --git a/python/requirements.txt b/python/requirements.txt
index 11ee6d2..81ac053 100644
--- a/python/requirements.txt
+++ b/python/requirements.txt
@@ -39,7 +39,7 @@ packaging==21.3
 pandas==1.4.4
 pathy==0.6.2
 preshed==3.0.7
-protobuf==3.19.4
+protobuf==3.19.5
 pyasn1==0.4.8
 pyasn1-modules==0.2.8
 pydantic==1.9.2