From 4ee904fd1d899e005a84a26bcd25ed89f8105802 Mon Sep 17 00:00:00 2001
From: Peter <craven@gmx.net>
Date: Thu, 21 Oct 2021 18:45:39 +0200
Subject: [PATCH] Run apt-get update before trying to install.

---
 .github/workflows/build.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 9a6381e..1898f0d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -47,7 +47,7 @@ jobs:
       run: brew install --cask xquartz
     - name: Install SDL dependency on Ubuntu
       if: ${{ runner.os == 'Linux'}}
-      run: sudo apt-get install -y libsdl2-dev
+      run: sudo apt-get update && sudo apt-get install -y libsdl2-dev
     - name: Create Build Environment
       run: cmake -E make_directory ${{github.workspace}}/build
     - name: Configure CMake