diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a5eaa6fe..c5d31b0e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -37,9 +37,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: olafurpg/setup-scala@v14
+      - uses: coursier/setup-action@v1
         with:
-          jvm: temurin:17
+          jvm: temurin:21
       - run: sbt "test; scripted sbt-*/* skip-windows/*"
   windows:
     name: Windows tests