diff --git a/.github/workflows/c-cpp.yml b/.github/workflows/c-cpp.yml
index ec5e103..566d28c 100644
--- a/.github/workflows/c-cpp.yml
+++ b/.github/workflows/c-cpp.yml
@@ -14,7 +14,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: getpkgs
-      run: sudo apt install xcb cmake gcc libgtk-3-dev
+      run: sudo apt install xcb cmake gcc libgtk-3-dev ninja-build
     - name: configure
       run: make clear
     - name: make