diff --git a/.github/workflows/scala.yml b/.github/workflows/scala.yml
index 361f293..40d8f43 100644
--- a/.github/workflows/scala.yml
+++ b/.github/workflows/scala.yml
@@ -12,7 +12,7 @@ jobs:
       fail-fast: false
       matrix:
         java: [11, 17, 21]
-        scala: ["2.13.14", "3.4.2"]
+        scala: ["2.13.14", "3.3.3", "3.4.2"]
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2