diff --git a/pkgs/by-name/sy/syslogng/package.nix b/pkgs/by-name/sy/syslogng/package.nix
index 91739e82fe0b..ca2de5eceddf 100644
--- a/pkgs/by-name/sy/syslogng/package.nix
+++ b/pkgs/by-name/sy/syslogng/package.nix
@@ -35,8 +35,7 @@
   gperf,
   withGrpc ? true,
   grpc,
-  # see https://github.com/syslog-ng/syslog-ng/pull/5263
-  protobuf_29,
+  protobuf,
 }:
 let
   python-deps =
@@ -111,7 +110,7 @@ stdenv.mkDerivation (finalAttrs: {
     rdkafka
   ]
   ++ (lib.optionals withGrpc [
-    protobuf_29
+    protobuf
     grpc
   ]);