diff --git a/requirements.txt b/requirements.txt
index 49c6a06..5595b56 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -39,7 +39,7 @@ Pillow==9.1.1
 platformdirs==2.5.2
 pluggy==1.0.0
 proto-plus==1.20.6
-protobuf==3.20.1
+protobuf==5.29.6
 py==1.11.0
 pyasn1==0.4.8
 pyasn1-modules==0.2.8