diff --git a/.github/workflows/cmake-multi-platform.yml b/.github/workflows/cmake-multi-platform.yml
index da516889..5359ac70 100644
--- a/.github/workflows/cmake-multi-platform.yml
+++ b/.github/workflows/cmake-multi-platform.yml
@@ -54,10 +54,11 @@ jobs:
       run: |
         echo "build-output-dir=${{ github.workspace }}/build" >> "$GITHUB_OUTPUT"
 
-    # - name: Add wxWidgets 3.2 packages
-    #     # this is for build testing only, not shipping binaries, so don't bother verifying the key
-    #   run: |
-    #     sudo chmod +x script.sh && ./script.sh
+    - name: Add wxWidgets 3.2 packages
+        # this is for build testing only, not shipping binaries, so don't bother verifying the key
+      if: ${{matrix.os == 'ubuntu-latest'}}
+      run: |
+        sudo apt-get install -y cmake build-essential libgtk2.0-dev libgtk-3-dev
 
     - name: Configure CMake
       # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.