diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bd880e6..4c4ae2b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -31,7 +31,7 @@ jobs:
         os: [ubuntu-latest, macos-latest]
         rust: [stable, "1.88"]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@v1
@@ -53,7 +53,7 @@ jobs:
     name: clippy
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@v1
@@ -76,7 +76,7 @@ jobs:
     name: rustfmt
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@v1
@@ -95,7 +95,7 @@ jobs:
     name: no_std (alloc-capable crates)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@v1
@@ -189,7 +189,7 @@ jobs:
     name: wasm cross-compile (aspirational)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@v1
@@ -319,7 +319,7 @@ jobs:
     runs-on: ubuntu-latest
     continue-on-error: true
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@v1
@@ -452,7 +452,7 @@ jobs:
       TWIGGY_VERSION: "0.7.0"
       CARGO_COMPONENT_VERSION: "0.21.1"
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Install Rust toolchain (wasm32-unknown-unknown + wasm32-wasip1)
         uses: dtolnay/rust-toolchain@v1
@@ -582,7 +582,7 @@ jobs:
     runs-on: ubuntu-latest
     continue-on-error: true
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@v1
@@ -651,7 +651,7 @@ jobs:
     runs-on: ubuntu-latest
     continue-on-error: true
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@v1
@@ -733,7 +733,7 @@ jobs:
       WASMTIME_VERSION: "26.0.0"
       WASM_TOOLS_VERSION: "1.219.0"
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Install Rust toolchain (wasm32-wasip1)
         uses: dtolnay/rust-toolchain@v1
@@ -819,7 +819,7 @@ jobs:
     name: WIT-i18n case-mapping (SCUD size + golden)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@v1
@@ -898,7 +898,7 @@ jobs:
     env:
       STRINGCHEESE_REAL_VOCABS_DIR: ${{ github.workspace }}/hf-vocabs
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@v1
@@ -963,7 +963,7 @@ jobs:
       WASMTIME_VERSION: "26.0.0"
       WASM_TOOLS_VERSION: "1.219.0"
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Install Rust toolchain (wasm32-wasip1)
         uses: dtolnay/rust-toolchain@v1
@@ -1076,7 +1076,7 @@ jobs:
     env:
       RUSTDOCFLAGS: "-D warnings"
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@v1
diff --git a/.github/workflows/fuzz-nightly.yml b/.github/workflows/fuzz-nightly.yml
index 690b123..2701153 100644
--- a/.github/workflows/fuzz-nightly.yml
+++ b/.github/workflows/fuzz-nightly.yml
@@ -64,7 +64,7 @@ jobs:
           - ngram_count_agreement
           - metric_axioms_levenshtein
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       # cargo-fuzz requires a nightly toolchain (libfuzzer-sys needs the
       # -Zsanitizer flags). We deliberately do NOT pin to a specific nightly