diff --git a/.github/workflows/gearsystem.yml b/.github/workflows/gearsystem.yml
index ef51fcff..838b8269 100644
--- a/.github/workflows/gearsystem.yml
+++ b/.github/workflows/gearsystem.yml
@@ -18,7 +18,7 @@ jobs:
     - name: Update OS
       run: sudo apt-get update -qq
     - name: Install dependencies
-      run: sudo apt-get install -y libsdl2-dev libglew-dev
+      run: sudo apt-get install -y libsdl2-dev libglew-dev libgtk-3-dev
     - name: make
       run: make
       working-directory: platforms/linux