diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 7000bd9..5064a9a 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -19,6 +19,7 @@ jobs:
       uses: Swatinem/rust-cache@v1.3.0    
     - name: dependencies
       run: |
+        sudo apt-get update 
         sudo apt-get install -y libx11-dev libxext-dev libxft-dev libxinerama-dev libxcursor-dev libxrender-dev libxfixes-dev libpango1.0-dev libpng-dev libgl1-mesa-dev libglu1-mesa-dev
     - name: Test
       run: |        
@@ -31,4 +32,4 @@ jobs:
       id: rust_cache
       uses: Swatinem/rust-cache@v1.3.0    
     - name: Test
-      run: cargo test
\ No newline at end of file
+      run: cargo test