diff --git a/pkgs/by-name/fc/fcitx5-mcbopomofo/package.nix b/pkgs/by-name/fc/fcitx5-mcbopomofo/package.nix
index fe64e911576b..35361b499756 100644
--- a/pkgs/by-name/fc/fcitx5-mcbopomofo/package.nix
+++ b/pkgs/by-name/fc/fcitx5-mcbopomofo/package.nix
@@ -28,10 +28,10 @@ stdenv.mkDerivation rec {
     cmake
     extra-cmake-modules
     gettext
-    gtest
   ];
 
   buildInputs = [
+    extra-cmake-modules
     fcitx5
     fmt
     gtest
@@ -39,6 +39,8 @@ stdenv.mkDerivation rec {
     json_c
   ];
 
+  strictDeps = true;
+
   cmakeFlags = [
     "-DCMAKE_BUILD_TYPE=Release"
   ];