diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 757caf51..ef86f6bb 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -13,7 +13,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
 
       - name: Build
         uses: ConsenSys/docs-gha/build@main
diff --git a/.github/workflows/case.yml b/.github/workflows/case.yml
index c1b9eefc..e6b5aa64 100644
--- a/.github/workflows/case.yml
+++ b/.github/workflows/case.yml
@@ -16,7 +16,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
 
       - name: Case check action
         uses: ConsenSys/docs-gha/case@main
diff --git a/.github/workflows/links.yml b/.github/workflows/links.yml
index be794e16..e9b9eff2 100644
--- a/.github/workflows/links.yml
+++ b/.github/workflows/links.yml
@@ -15,7 +15,7 @@ jobs:
       matrix:
         file-extensions: [".md", ".mdx"]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
       - name: LinkCheck
         uses: ConsenSys/docs-gha/linkcheck@main
         with:
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index ee02efae..4c238847 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -13,7 +13,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
 
       - name: Lint
         uses: ConsenSys/docs-gha/lint@main