diff --git a/pkgs/servers/mautrix-googlechat/default.nix b/pkgs/servers/mautrix-googlechat/default.nix
index e9431215b3b1..b522dc0636f6 100644
--- a/pkgs/servers/mautrix-googlechat/default.nix
+++ b/pkgs/servers/mautrix-googlechat/default.nix
@@ -7,13 +7,13 @@
 , enableSqlite ? true
 }: python3.pkgs.buildPythonApplication rec {
   pname = "mautrix-googlechat";
-  version = "unstable-2023-01-25";
+  version = "unstable-2023-07-16";
 
   src = fetchFromGitHub {
     owner = "mautrix";
     repo = "googlechat";
-    rev = "e2eb528745466468f059c506c22e500e0cd832aa";
-    sha256 = "sha256-FNlEHzuy89RuFUwZPmVA+4AmpQHGD+18BguGC6qBdBM=";
+    rev = "f4cddafd474b12be09efd15c6652c04d0650458e";
+    sha256 = "sha256-WMJVAX5oUdYYuXoJKk7OoERR0LJM0Er5444xwqIUTm8=";
   };
 
   patches = [
@@ -54,7 +54,7 @@
     ruamel-yaml
     commonmark
     python-magic
-    protobuf3
+    protobuf
     mautrix
   ] ++ lib.optionals enableE2be passthru.optional-dependencies.e2be
   ++ lib.optionals enableMetrics passthru.optional-dependencies.metrics