diff --git a/.github/workflows/backend_check.yml b/.github/workflows/backend_check.yml
index a17378a..939874d 100644
--- a/.github/workflows/backend_check.yml
+++ b/.github/workflows/backend_check.yml
@@ -27,7 +27,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install Rust stable toolchain
         uses: actions-rs/toolchain@v1
diff --git a/.github/workflows/backend_docs.yml b/.github/workflows/backend_docs.yml
index ed52702..15102f7 100644
--- a/.github/workflows/backend_docs.yml
+++ b/.github/workflows/backend_docs.yml
@@ -27,7 +27,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install Rust stable toolchain
         uses: actions-rs/toolchain@v1
diff --git a/.github/workflows/backend_fmt.yml b/.github/workflows/backend_fmt.yml
index 8320a52..000a174 100644
--- a/.github/workflows/backend_fmt.yml
+++ b/.github/workflows/backend_fmt.yml
@@ -27,7 +27,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install Rust stable toolchain
         uses: actions-rs/toolchain@v1
diff --git a/.github/workflows/backend_tests.yml b/.github/workflows/backend_tests.yml
index 9977d93..34b89c4 100644
--- a/.github/workflows/backend_tests.yml
+++ b/.github/workflows/backend_tests.yml
@@ -27,7 +27,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install Rust stable toolchain
         uses: actions-rs/toolchain@v1
diff --git a/.github/workflows/frontend.yml b/.github/workflows/frontend.yml
index e1078a6..edb027c 100644
--- a/.github/workflows/frontend.yml
+++ b/.github/workflows/frontend.yml
@@ -28,7 +28,7 @@ jobs:
         node-version: [14.x]
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Use Node.js ${{ matrix.node-version }}
       uses: actions/setup-node@v4