diff --git a/pkgs/by-name/r2/r2modman/package.nix b/pkgs/by-name/r2/r2modman/package.nix
index 2ed0e41efcad..58cef2dfab9d 100644
--- a/pkgs/by-name/r2/r2modman/package.nix
+++ b/pkgs/by-name/r2/r2modman/package.nix
@@ -49,6 +49,11 @@ stdenv.mkDerivation (finalAttrs: {
     ELECTRON_SKIP_BINARY_DOWNLOAD = true;
   };
 
+  postPatch = ''
+    # Hide update banner
+    echo "<template></template>" > src/components/banner/ManagerUpdateBanner.vue
+  '';
+
   buildPhase = ''
     runHook preBuild