diff --git a/pkgs/development/libraries/qt-6/modules/qtgrpc.nix b/pkgs/development/libraries/qt-6/modules/qtgrpc.nix
index b344321d11db..016f72f3074a 100644
--- a/pkgs/development/libraries/qt-6/modules/qtgrpc.nix
+++ b/pkgs/development/libraries/qt-6/modules/qtgrpc.nix
@@ -1,5 +1,6 @@
 {
   qtModule,
+  fetchpatch,
   qtbase,
   qtdeclarative,
   protobuf,
@@ -8,6 +9,15 @@
 
 qtModule {
   pname = "qtgrpc";
+
+  patches = [
+    (fetchpatch {
+      name = "new-protobuf.patch";
+      url = "https://github.com/qt/qtgrpc/commit/514769d1bd595d0e54bbe34c0bd167636d4825dc.diff";
+      hash = "sha256-juNSijNlR6PHxiEVx72vMBSvcWYfR/T/yvpxAF+ZAKE=";
+    })
+  ];
+
   propagatedBuildInputs = [
     qtbase
     qtdeclarative