diff --git a/requirements.txt b/requirements.txt
index 18f8145..0812961 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ MarkupSafe==2.0.1
 mypy-extensions==0.4.3
 pathspec==0.9.0
 platformdirs==2.4.0
-protobuf==3.19.1
+protobuf==3.19.5
 pycparser==2.20
 PyMySQL==1.0.2
 pyOpenSSL==21.0.0