diff --git a/.github/workflows/docker-build.yml b/.github/workflows/docker-build.yml
index 311f4fca..d7e72af4 100644
--- a/.github/workflows/docker-build.yml
+++ b/.github/workflows/docker-build.yml
@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/setup-node@v3
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
       - run: |
           npx -y prettier --check ./
   #          npx -y shellcheck ./.github/scripts/*.sh ./src/scripts/*.sh
@@ -52,7 +52,7 @@ jobs:
           - image: valheim
             push: ${{ contains(github.event.pull_request.labels.*.name, 'canary') }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v2
diff --git a/.github/workflows/docker-release.yml b/.github/workflows/docker-release.yml
index 3bbd68df..7466295e 100644
--- a/.github/workflows/docker-release.yml
+++ b/.github/workflows/docker-release.yml
@@ -18,7 +18,7 @@ jobs:
         image: [odin, valheim]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
 
       - name: Docker meta
         id: meta
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 5cec98d4..28bbaa00 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     if: "!contains(github.event.head_commit.message, 'ci skip') && !contains(github.event.head_commit.message, 'skip ci')"
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
         with:
           fetch-depth: 0
           token: ${{ secrets.GH_TOKEN }}
diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 1addb9a7..92e54c07 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -19,7 +19,7 @@ jobs:
     name: Build & Test
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
       - name: Setup | Rust | Nightly
         uses: ATiltedTree/setup-rust@v1
         with: