diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 84914e2..1661cb5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,7 +22,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        scala: [2.11.12, 2.12.12, 2.13.8]
+        scala: [2.11.12, 2.12.20, 2.13.8]
         java:
           - adopt-hotspot@8
           - adopt-hotspot@11