diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a3f264a16..0a5682d4c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -59,13 +59,13 @@ jobs:
       uses: actions/checkout@v5
       with:
         repository: sbt/librarymanagement
-        ref: develop
+        ref: 1.12.x
         path: librarymanagement
     - name: Checkout sbt/zinc
       uses: actions/checkout@v5
       with:
         repository: sbt/zinc
-        ref: 1.10.x
+        ref: 1.12.x
         path: zinc
     - name: Setup JDK
       uses: actions/setup-java@v5