diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b24d796..8d3f035 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -37,6 +37,7 @@ jobs:
           submodules: recursive  
       - name: Install Linux dependencies
         run: |
+          sudo apt-get update
           sudo apt install -y libgl1-mesa-dev
         if: matrix.os == 'ubuntu-latest'
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 6cc3147..9f4e6bf 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -30,6 +30,7 @@ jobs:
           submodules: recursive  
       - name: Install Linux dependencies
         run: |
+          sudo apt-get update
           sudo apt install -y libgl1-mesa-dev
         if: matrix.os == 'ubuntu-latest'