diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d436ce3..47ee0d1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
 
     - name: Setup Development Environment
       uses: ./.github/actions/ka3005p-dev
diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 3673e01..8c92a83 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -24,7 +24,7 @@ jobs:
             suffix: .exe # Windows has an .exe suffix
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
 
     - name: Install Rust
       uses: actions-rs/toolchain@v1
@@ -72,7 +72,7 @@ jobs:
   clippy_check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v4
       - name: Install Rust
         uses: actions-rs/toolchain@v1
         with:
@@ -90,7 +90,7 @@ jobs:
     name: rustfmt
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Install Rust
       uses: actions-rs/toolchain@v1
       with:
@@ -105,7 +105,7 @@ jobs:
   rustdoc:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
 
     - name: Install Rust toolchain
       uses: actions-rs/toolchain@v1