diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b65703e..5d64ee3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - scala: 2.12.20
+          - scala: 2.13.15
           - scala: 2.13.14
     steps:
     - uses: actions/setup-java@v4