diff --git a/.github/workflows/dockerimage.yml b/.github/workflows/dockerimage.yml
index f2eb329..14265ee 100644
--- a/.github/workflows/dockerimage.yml
+++ b/.github/workflows/dockerimage.yml
@@ -33,7 +33,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: ccache
-        uses: hendrikmuhs/ccache-action@v1.2
+        uses: hendrikmuhs/ccache-action@v1.2.21
         with:
           key: ${{ matrix.os }}-${{ matrix.platform }}
           max-size: 10G
diff --git a/.github/workflows/update-current-image.yml b/.github/workflows/update-current-image.yml
index fc9c79d..cf5931b 100644
--- a/.github/workflows/update-current-image.yml
+++ b/.github/workflows/update-current-image.yml
@@ -69,7 +69,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: ccache
-        uses: hendrikmuhs/ccache-action@v1.2
+        uses: hendrikmuhs/ccache-action@v1.2.21
         with:
           key: ${{ matrix.os }}-${{ matrix.platform }}
           max-size: 10G