diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 4127ef6..2735cb3 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -8,8 +8,8 @@ jobs:
 
     strategy:
       matrix:
-        java-version: [ 8 , 11 , 16 , 18 , 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 ]
+        java-version: [ 8 , 11 , 16 , 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 , 19 , 20 ]
         os: [ ubuntu-latest , macos-latest , windows-latest ]
 
     steps: