diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 5117348..686ab2e 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -21,7 +21,7 @@ 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
@@ -50,7 +50,7 @@ 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
@@ -76,7 +76,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Diff READMEs
         run: diff -q README.md scale-encode/README.md
@@ -86,7 +86,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Install Rust stable toolchain
         uses: actions-rs/toolchain@v1
@@ -112,7 +112,7 @@ 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
@@ -136,7 +136,7 @@ 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
@@ -156,7 +156,7 @@ 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
@@ -191,7 +191,7 @@ 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