diff --git a/.github/actions/cross-tests/action.yml b/.github/actions/cross-tests/action.yml
index 73bbefd7..83c745eb 100644
--- a/.github/actions/cross-tests/action.yml
+++ b/.github/actions/cross-tests/action.yml
@@ -13,7 +13,7 @@ inputs:
 runs:
   using: "composite"
   steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
diff --git a/.github/workflows/lms.yml b/.github/workflows/lms.yml
index dbe63d8b..8cfbf5b0 100644
--- a/.github/workflows/lms.yml
+++ b/.github/workflows/lms.yml
@@ -15,7 +15,7 @@ jobs:
   rustfmt:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: RustCrypto/actions/cargo-cache@master
       - uses: actions-rs/toolchain@v1
         with:
@@ -30,7 +30,7 @@ jobs:
   clippy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: RustCrypto/actions/cargo-cache@master
       - uses: actions-rs/toolchain@v1
         with:
@@ -45,7 +45,7 @@ jobs:
   check-for-todos:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - run: make check-for-todos
         continue-on-error: true
 
@@ -54,7 +54,7 @@ jobs:
     outputs:
       msrv: ${{ steps.msrv.outputs.msrv }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: RustCrypto/actions/cargo-cache@master
       - name: Install msrv
         run: cargo install cargo-msrv
@@ -68,7 +68,7 @@ jobs:
     outputs:
       msrv: ${{ steps.msrv.outputs.msrv }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - id: msrv
         run: echo "::set-output name=msrv::$(grep rust-version Cargo.toml | cut -d'"' -f2-2)"
 
@@ -84,7 +84,7 @@ jobs:
           - thumbv7em-none-eabi
           - wasm32-unknown-unknown
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: RustCrypto/actions/cargo-cache@master
       - uses: actions-rs/toolchain@v1
         with:
@@ -103,7 +103,7 @@ jobs:
           - ${{needs.set-msrv.outputs.msrv}}
           - stable
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: RustCrypto/actions/cargo-cache@master
       - uses: actions-rs/toolchain@v1
         with:
@@ -119,7 +119,7 @@ jobs:
     needs: set-msrv
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: RustCrypto/actions/cargo-cache@master
       - uses: actions-rs/toolchain@v1
         with:
@@ -146,7 +146,7 @@ jobs:
       # Cross mounts only current package, i.e. by default it ignores workspace's Cargo.toml
         working-directory: .
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: ./.github/actions/cross-tests
         with:
           rust: ${{ matrix.rust }}
diff --git a/.github/workflows/security-audit.yml b/.github/workflows/security-audit.yml
index 0d82d54b..e206b838 100644
--- a/.github/workflows/security-audit.yml
+++ b/.github/workflows/security-audit.yml
@@ -13,7 +13,7 @@ jobs:
     name: Security Audit
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v4
       - name: Cache cargo bin
         uses: actions/cache@v1
         with: