diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0c82948..3eb0d24 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -21,7 +21,7 @@ jobs:
     name: ${{ matrix.label }}
     runs-on: ${{ matrix.image }}
     steps:
-      - uses: actions/checkout@v3.3.0
+      - uses: actions/checkout@v4.2.2
 
       - name: Install Nix
         uses: DeterminateSystems/nix-installer-action@b92f66560d6f97d6576405a7bae901ab57e72b6a # v15
diff --git a/.github/workflows/linters.yml b/.github/workflows/linters.yml
index 643e3e3..e79f471 100644
--- a/.github/workflows/linters.yml
+++ b/.github/workflows/linters.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3.3.0
+      - uses: actions/checkout@v4.2.2
 
       - name: Install Nix
         uses: DeterminateSystems/nix-installer-action@b92f66560d6f97d6576405a7bae901ab57e72b6a # v15
diff --git a/.github/workflows/manual-stable.yml b/.github/workflows/manual-stable.yml
index f293446..9a19038 100644
--- a/.github/workflows/manual-stable.yml
+++ b/.github/workflows/manual-stable.yml
@@ -16,7 +16,7 @@ jobs:
     if: github.repository == 'zhaofengli/colmena'
 
     steps:
-      - uses: actions/checkout@v3.3.0
+      - uses: actions/checkout@v4.2.2
 
       - name: Install Nix
         uses: DeterminateSystems/nix-installer-action@b92f66560d6f97d6576405a7bae901ab57e72b6a # v15
diff --git a/.github/workflows/manual.yml b/.github/workflows/manual.yml
index 9e5e31f..ba8e7dd 100644
--- a/.github/workflows/manual.yml
+++ b/.github/workflows/manual.yml
@@ -16,7 +16,7 @@ jobs:
     if: github.repository == 'zhaofengli/colmena'
 
     steps:
-      - uses: actions/checkout@v3.3.0
+      - uses: actions/checkout@v4.2.2
 
       - name: Install Nix
         uses: DeterminateSystems/nix-installer-action@b92f66560d6f97d6576405a7bae901ab57e72b6a # v15
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 827bfa5..7acf129 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -12,7 +12,7 @@ jobs:
     name: ${{ matrix.os.label }}
     runs-on: ${{ matrix.os.image }}
     steps:
-      - uses: actions/checkout@v3.3.0
+      - uses: actions/checkout@v4.2.2
         with:
           fetch-depth: 0