diff --git a/pyproject.toml b/pyproject.toml
index f994243a..2db6c831 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -48,7 +48,7 @@ dependencies = [
     "dnfile==0.13.0",
     "dncil==1.0.2",
     "pydantic==1.10.9",
-    "protobuf==4.23.2",
+    "protobuf==4.23.4",
 ]
 dynamic = ["version", "readme"]