diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f4de5aa..a1c2acf 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -41,7 +41,7 @@ jobs:
         java-version: "${{ matrix.java }}"
         distribution: temurin
     - uses: actions/checkout@v7
-    - uses: coursier/cache-action@v8
+    - uses: coursier/cache-action@v9
     - uses: sbt/setup-sbt@v1
     - run: sbt -v test
     - run: |
@@ -59,7 +59,7 @@ jobs:
     - uses: actions/checkout@v7
       with:
         fetch-depth: 10
-    - uses: coursier/cache-action@v8
+    - uses: coursier/cache-action@v9
     - uses: sbt/setup-sbt@v1
     - run: sbt makeSite
     - name: Push to gh-pages