diff --git a/.github/workflows/build-simpleplugin.yml b/.github/workflows/build-simpleplugin.yml
index 3feed2c..565c64d 100644
--- a/.github/workflows/build-simpleplugin.yml
+++ b/.github/workflows/build-simpleplugin.yml
@@ -94,6 +94,8 @@ jobs:
         if: matrix.platform == 'ubuntu-16.04'
         shell: bash
         env:
+          CC: gcc-7
+          CXX: gcc-7
           CXXFLAGS: -fno-sized-deallocation
         run: |
           mkdir build