diff --git a/.github/workflows/build-main.yml b/.github/workflows/build-main.yml
index 474610186..43c3951aa 100644
--- a/.github/workflows/build-main.yml
+++ b/.github/workflows/build-main.yml
@@ -14,9 +14,9 @@ jobs:
     strategy:
       matrix:
         java: [
-          {'version': '8', 'source': 'releases'},
-          {'version': '11', 'source': 'releases'},
-          {'version': '15', 'source': 'releases'},
+          { 'version': '8', 'source': 'releases', opts: '' },
+          { 'version': '11', 'source': 'releases', opts: '' },
+          { 'version': '15', 'source': 'releases', opts: '' },
           { 'version': '16', 'source': 'nightly', 'opts': '--illegal-access=permit'  }  # required for kotlin on java 16
         ]
     name: Build with Java ${{ matrix.java.version }} (OpenJDK)