diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1462ac1e2..78f99da1c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -60,7 +60,7 @@ jobs:
       with:
         java-version: "adopt@1.${{ matrix.java }}"
     - name: Coursier cache
-      uses: coursier/cache-action@v5
+      uses: coursier/cache-action@v6
     - name: Cache sbt
       uses: actions/cache@v2.1.3
       with:
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index c97c74da6..7adaddb2a 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -40,7 +40,7 @@ jobs:
       with:
         java-version: "adopt@1.${{ matrix.java }}"
     - name: Coursier cache
-      uses: coursier/cache-action@v5
+      uses: coursier/cache-action@v6
     - name: Build and deploy
       run: |
         # build from fresh IO, LM, and Zinc