diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bd113b9..818c5cb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,7 @@ jobs:
           java-version: 17
           distribution: adopt
       - name: cache mvn repository
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ~/.m2/repository
           key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
@@ -29,7 +29,7 @@ jobs:
       - name: local install
         run: mvn install -DskipTests=true -Dgpg.skip=true -Dmaven.javadoc.skip=true -B -V
       - name: cache cargo registry
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
           path: |
@@ -64,7 +64,7 @@ jobs:
           java-version: 17
           distribution: adopt
       - name: cache mvn repository
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ~/.m2/repository
           key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}