diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 32e2889..ba70d26 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 5
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4
       - uses: actions/setup-go@v4
         with:
           go-version-file: 'go.mod'
@@ -37,7 +37,7 @@ jobs:
     needs:
       - build
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4
       - uses: actions/setup-go@v4
         with:
           go-version-file: 'go.mod'
@@ -54,7 +54,7 @@ jobs:
         terraform-version:
           - '1.5.*'
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4
       - uses: actions/setup-go@v4
         with:
           go-version-file: 'go.mod'