diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 89f0526e..d90bd94a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ jobs:
         os: [ubuntu-latest, windows-latest, macOS-latest]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Run tests
         run: cargo test --verbose --release
 
@@ -27,7 +27,7 @@ jobs:
           build_flags: --no-default-features --features groth16
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Add target
         run: rustup target add ${{ matrix.target }}
       - name: Build for target
@@ -38,7 +38,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       # Build benchmarks to prevent bitrot
       - name: Build benchmarks
         run: cargo build --benches --all-features
@@ -47,7 +47,7 @@ jobs:
     name: Intra-doc links
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       # Requires #![deny(rustdoc::broken_intra_doc_links)] in crates.
       - name: Check intra-doc links
         run: cargo doc --document-private-items
@@ -57,6 +57,6 @@ jobs:
     timeout-minutes: 30
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Check formatting
         run: cargo fmt -- --check
diff --git a/.github/workflows/lints-stable.yml b/.github/workflows/lints-stable.yml
index 1e697ef6..7bb6f2d5 100644
--- a/.github/workflows/lints-stable.yml
+++ b/.github/workflows/lints-stable.yml
@@ -9,7 +9,7 @@ jobs:
     timeout-minutes: 30
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Run clippy
         uses: actions-rs/clippy-check@v1
         with: