diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index eaf72a9..32b25f4 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -17,22 +17,22 @@ jobs:
   goreleaser:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
         with:
           # Allow goreleaser to access older tag information.
           fetch-depth: 0
-      - uses: actions/setup-go@v3
+      - uses: actions/setup-go@6edd4406fa81c3da01a34fa6f6343087c207a568 # v3.5.0
         with:
           go-version-file: 'go.mod'
           cache: true
       - name: Import GPG key
-        uses: crazy-max/ghaction-import-gpg@v5
+        uses: crazy-max/ghaction-import-gpg@111c56156bcc6918c056dbef52164cfa583dc549 # v5.2.0
         id: import_gpg
         with:
           gpg_private_key: ${{ secrets.GPG_PRIVATE_KEY }}
           passphrase: ${{ secrets.PASSPHRASE }}
       - name: Run GoReleaser
-        uses: goreleaser/goreleaser-action@v4
+        uses: goreleaser/goreleaser-action@8f67e590f2d095516493f017008adc464e63adb1 # v4.1.0
         with:
           args: release --rm-dist
         env:
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 01978d9..7ae10dd 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -22,8 +22,8 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 5
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-go@v3
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+      - uses: actions/setup-go@6edd4406fa81c3da01a34fa6f6343087c207a568 # v3.5.0
         with:
           go-version-file: 'go.mod'
           cache: true
@@ -33,8 +33,8 @@ jobs:
   generate:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-go@v3
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+      - uses: actions/setup-go@6edd4406fa81c3da01a34fa6f6343087c207a568 # v3.5.0
         with:
           go-version-file: 'go.mod'
           cache: true
@@ -59,12 +59,12 @@ jobs:
           - '1.1.*'
           - '1.2.*'
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-go@v3
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+      - uses: actions/setup-go@6edd4406fa81c3da01a34fa6f6343087c207a568 # v3.5.0
         with:
           go-version-file: 'go.mod'
           cache: true
-      - uses: hashicorp/setup-terraform@v2
+      - uses: hashicorp/setup-terraform@633666f66e0061ca3b725c73b2ec20cd13a8fdd1 # v2.0.3
         with:
           terraform_version: ${{ matrix.terraform }}
           terraform_wrapper: false