diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index e47f553..961c262 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -34,4 +34,6 @@ jobs:
 
     - name: Run tests
       if: ${{ matrix.os == 'ubuntu-latest' }}
-      run: xvfb-run go test -v
+      run: |
+        go mod tidy    # avoid pulling glfw into go.mod
+        xvfb-run go test -v