diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 838cafb..2f4793c 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -22,7 +22,7 @@ jobs:
         with:
           fetch-depth: 0
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3.12.0
       - name: Log in to GHCR
         uses: docker/login-action@v3
         with:
diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index c8d6df2..4fb1b45 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -15,7 +15,7 @@ jobs:
     - uses: actions/checkout@v4
     # Docker testing
     - name: Set up Docker Buildx
-      uses: docker/setup-buildx-action@v3
+      uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3.12.0
       with:
         driver: docker
     - name: Log in to GHCR