diff --git a/.github/workflows/guardian-functional.yml b/.github/workflows/guardian-functional.yml
index 48e67a8b..aac79175 100644
--- a/.github/workflows/guardian-functional.yml
+++ b/.github/workflows/guardian-functional.yml
@@ -34,7 +34,7 @@ jobs:
       POSTGRES_DB: ark_unitnet
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v2
         with:
@@ -74,7 +74,7 @@ jobs:
       POSTGRES_DB: ark_unitnet
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v2
         with:
@@ -114,7 +114,7 @@ jobs:
       POSTGRES_DB: ark_unitnet
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v2
         with:
@@ -153,7 +153,7 @@ jobs:
       POSTGRES_DB: ark_unitnet
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v2
         with:
@@ -192,7 +192,7 @@ jobs:
       POSTGRES_DB: ark_unitnet
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v2
         with:
@@ -232,7 +232,7 @@ jobs:
       POSTGRES_DB: ark_unitnet
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v2
         with:
@@ -272,7 +272,7 @@ jobs:
       POSTGRES_DB: ark_unitnet
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v2
         with:
@@ -311,7 +311,7 @@ jobs:
       POSTGRES_DB: ark_unitnet
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v2
         with:
diff --git a/.github/workflows/integration.yml b/.github/workflows/integration.yml
index 6414a56b..58f95acc 100644
--- a/.github/workflows/integration.yml
+++ b/.github/workflows/integration.yml
@@ -34,7 +34,7 @@ jobs:
             POSTGRES_DB: ark_unitnet
 
         steps:
-            - uses: actions/checkout@v2
+            - uses: actions/checkout@v4
             - name: Use Node.js ${{ matrix.node-version }}
               uses: actions/setup-node@v2
               with:
diff --git a/.github/workflows/publish-beta.yml b/.github/workflows/publish-beta.yml
index 58c2ff82..491e18d6 100644
--- a/.github/workflows/publish-beta.yml
+++ b/.github/workflows/publish-beta.yml
@@ -6,7 +6,7 @@ jobs:
     build:
         runs-on: ubuntu-latest
         steps:
-            - uses: actions/checkout@v2
+            - uses: actions/checkout@v4
             - uses: actions/setup-node@v2
               with:
                   node-version: '12.x'
diff --git a/.github/workflows/unit.yml b/.github/workflows/unit.yml
index 0f4e2f59..0261c97d 100644
--- a/.github/workflows/unit.yml
+++ b/.github/workflows/unit.yml
@@ -18,7 +18,7 @@ jobs:
                 node-version: [12.x]
 
         steps:
-            - uses: actions/checkout@v2
+            - uses: actions/checkout@v4
 
             - name: Use Node.js ${{ matrix.node-version }}
               uses: actions/setup-node@v2