diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9f8d261..f1305cc 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,7 +9,7 @@ jobs:
     strategy:
       matrix:
         include:
-          - scala: 2.12.20
+          - scala: 2.13.15
           - scala: 2.13.15
     steps:
     - uses: actions/setup-java@v4