diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index d174a1932d8..a9717d8bb27 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -16,7 +16,7 @@ jobs:
     steps:
 
     - name: Checkout
-      uses: actions/checkout@master
+      uses: actions/checkout@v3.1.0
 
     - name: Set project and image names
       run: |
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ab8a7cf52b4..aaf579601c8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
         os: [ubuntu-latest, windows-latest, macOS-latest]
 
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v3.1.0
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: stable
@@ -39,7 +39,7 @@ jobs:
     name: Clippy
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3.1.0
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: nightly
@@ -55,7 +55,7 @@ jobs:
     name: Rustfmt
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3.1.0
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: stable
@@ -70,7 +70,7 @@ jobs:
     name: Coverage
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3.1.0
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: stable
diff --git a/.github/workflows/firebase.yml b/.github/workflows/firebase.yml
index 36f597385f6..a90eb5992c1 100644
--- a/.github/workflows/firebase.yml
+++ b/.github/workflows/firebase.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout the source code
-      uses: actions/checkout@master
+      uses: actions/checkout@v3.1.0
 
     - name: Install latest nightly
       uses: actions-rs/toolchain@v1