diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index b2a39d1..52223e6 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -33,18 +33,18 @@ jobs:
 
     steps:
       - name: Setup QEMU
-        uses: docker/setup-qemu-action@v1
+        uses: docker/setup-qemu-action@27d0a4f181a40b142cce983c5393082c365d1480 # v1
         with:
           platforms: all
 
       - name: Setup Docker Buildx
-        uses: docker/setup-buildx-action@v1
+        uses: docker/setup-buildx-action@f211e3e9ded2d9377c8cadc4489a4e38014bc4c9 # v1
         with:
           version: ${{ env.DOCKER_BUILDX_VERSION }}
           install: true
 
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@ee0669bd1cc54295c223e0bb666b733df41de1c5 # v2
         with:
           submodules: true
 
@@ -59,13 +59,13 @@ jobs:
           BUILD_ARGS: "--load"
 
       - name: Publish Artifacts to GitHub
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@82c141cc518b40d92cc801eee768e7aafc9c2fa2 # v2
         with:
           name: output
           path: _output/**
 
       - name: Login to Upbound
-        uses: docker/login-action@v1
+        uses: docker/login-action@dd4fa0671be5250ee6f50aedf4cb05514abda2c7 # v1
         if: env.XPKG_ACCESS_ID != ''
         with:
           registry: xpkg.upbound.io
diff --git a/.github/workflows/tag.yml b/.github/workflows/tag.yml
index 96a8af7..c01d6a6 100644
--- a/.github/workflows/tag.yml
+++ b/.github/workflows/tag.yml
@@ -16,10 +16,10 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@ee0669bd1cc54295c223e0bb666b733df41de1c5 # v2
 
       - name: Create Tag
-        uses: negz/create-tag@v1
+        uses: negz/create-tag@39bae1e0932567a58c20dea5a1a0d18358503320 # v1
         with:
           version: ${{ github.event.inputs.version }}
           message: ${{ github.event.inputs.message }}