diff --git a/.github/workflows/code-style.yml b/.github/workflows/code-style.yml
index 130ce58c6..4eec0459d 100644
--- a/.github/workflows/code-style.yml
+++ b/.github/workflows/code-style.yml
@@ -25,7 +25,7 @@ jobs:
                   git config --global core.eol lf
 
             - name: Checkout
-              uses: actions/checkout@v2.3.5
+              uses: actions/checkout@v2.4.0
               with:
                   fetch-depth: 1
 
diff --git a/.github/workflows/mutation-tests.yml b/.github/workflows/mutation-tests.yml
index 4e06091e3..956ef44a8 100644
--- a/.github/workflows/mutation-tests.yml
+++ b/.github/workflows/mutation-tests.yml
@@ -25,7 +25,7 @@ jobs:
                   git config --global core.eol lf
 
             - name: Checkout
-              uses: actions/checkout@v2.3.5
+              uses: actions/checkout@v2.4.0
               with:
                   fetch-depth: 1
 
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 440e942a9..cd35e6f1c 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -15,7 +15,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2.3.5
+        uses: actions/checkout@v2.4.0
         with:
           fetch-depth: 1
 
diff --git a/.github/workflows/static-analysis.yml b/.github/workflows/static-analysis.yml
index ec39822ad..1325b24ca 100644
--- a/.github/workflows/static-analysis.yml
+++ b/.github/workflows/static-analysis.yml
@@ -25,7 +25,7 @@ jobs:
                   git config --global core.eol lf
 
             - name: Checkout
-              uses: actions/checkout@v2.3.5
+              uses: actions/checkout@v2.4.0
               with:
                   fetch-depth: 1
 
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 2c55f14ba..fb96a47e1 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -25,7 +25,7 @@ jobs:
                   git config --global core.eol lf
 
             - name: Checkout
-              uses: actions/checkout@v2.3.5
+              uses: actions/checkout@v2.4.0
               with:
                   fetch-depth: 1