diff --git a/.github/workflows/c-cpp.yml b/.github/workflows/c-cpp.yml
index 470101f..bac94ab 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 ninja-build libgtkmm-3.0-dev libxcb-randr0 libxcb-randr0-dev libxcb-util-dev libxcb-util0-dev libxcb-util1 libxcb-ewmh-dev libxcb-xinerama0 libxcb-xinerama0-dev libxcb-icccm4-dev libxcb-keysyms1-dev libxcb-cursor-dev libxcb-shape0-dev
+      run: sudo apt-get update && sudo apt install xcb cmake gcc libgtk-3-dev ninja-build libgtkmm-3.0-dev libxcb-randr0 libxcb-randr0-dev libxcb-util-dev libxcb-util0-dev libxcb-util1 libxcb-ewmh-dev libxcb-xinerama0 libxcb-xinerama0-dev libxcb-icccm4-dev libxcb-keysyms1-dev libxcb-cursor-dev libxcb-shape0-dev
     - name: configure
       run: make clear
     - name: make