diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 1db55d4..d235816 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -56,7 +56,7 @@ jobs:
     - name: Install Gazebo
       run: curl -sSL http://get.gazebosim.org | sh
     - name: Install SDL2
-      run: apt-get install libsdl2-dev
+      run: apt-get update && apt-get install libsdl2-dev
     - name: Build simulator
       run: make build_simulator
     - uses: actions/upload-artifact@v4