diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index c7d32cae..52e7de77 100644
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -29,7 +29,7 @@ jobs:
         submodules: recursive
     
     - name: Install Video Libs
-      run: sudo apt install libglew-dev 
+      run: sudo apt install libglew-dev libxext-dev 
       
     - name: Install Audio Libs
       run: sudo apt install libwavpack-dev