diff --git a/.github/workflows/Build.yaml b/.github/workflows/Build.yaml
index 955b21f..008b58c 100644
--- a/.github/workflows/Build.yaml
+++ b/.github/workflows/Build.yaml
@@ -89,7 +89,9 @@ jobs:
     - uses: actions/checkout@v3
 
     - name: Install opengl and SDL
-      run: sudo apt-get install -y libgl1-mesa-dev libsdl2-dev
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y libgl1-mesa-dev libsdl2-dev
 
     - name: Download & Install premake
       working-directory: RecastDemo
@@ -119,7 +121,9 @@ jobs:
     - uses: actions/checkout@v3
 
     - name: Install opengl and SDL
-      run: sudo apt-get install -y libgl1-mesa-dev libsdl2-dev
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y libgl1-mesa-dev libsdl2-dev
 
     - name: Configure CMake
       run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{matrix.conf}}
diff --git a/.github/workflows/Tests.yaml b/.github/workflows/Tests.yaml
index 149fa01..66e64f1 100644
--- a/.github/workflows/Tests.yaml
+++ b/.github/workflows/Tests.yaml
@@ -47,7 +47,9 @@ jobs:
     - uses: actions/checkout@v3
 
     - name: Install opengl and SDL
-      run: sudo apt-get install -y libgl1-mesa-dev libsdl2-dev
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y libgl1-mesa-dev libsdl2-dev
 
     - name: Download & Install premake
       working-directory: RecastDemo