diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index 9d6b5f4..ec18107 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -29,7 +29,7 @@ dependencies = [
     "httplib2==0.22.0",
     "idna==3.7",
     "proto-plus==1.24.0",
-    "protobuf==4.25.4",
+    "protobuf==4.25.8",
     "pyasn1==0.6.0",
     "pyasn1_modules==0.4.0",
     "pydantic==2.8.2",