diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index 23941d3..781907a 100644
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -28,7 +28,8 @@ jobs:
         auth_header="$(git config --local --get http.https://github.com/.extraheader)"
         git submodule sync --recursive
         git -c "http.extraheader=$auth_header" -c protocol.version=2 submodule update --init --force --recursive --depth=1
-        
+
+        sudo apt-get update
         sudo apt-get install python3 python-is-python3
         sudo apt-get install -y libx11-dev libgl1-mesa-dev libxrandr-dev libxinerama-dev libxcursor-dev libxi-dev