diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index d79ce8f..93fad73 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -8,8 +8,8 @@ jobs:
 
     strategy:
       matrix:
-        java-version: [8, 11, 16, 17]
-        compiler-version: [1.1, 1.2, 1.3, 1.4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17]
+        java-version: [8, 11, 16, 17, 20]
+        compiler-version: [1.1, 1.2, 1.3, 1.4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18]
         os: [ ubuntu-latest , macos-latest , windows-latest ]
         exclude:
           - os: macos-latest