diff --git a/.github/workflows/audit_on_push.yml b/.github/workflows/audit_on_push.yml
index c4f1d2d..d678505 100644
--- a/.github/workflows/audit_on_push.yml
+++ b/.github/workflows/audit_on_push.yml
@@ -15,7 +15,7 @@ jobs:
   security_audit:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions-rs/audit-check@v1.2.0
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/audit_weekly.yml b/.github/workflows/audit_weekly.yml
index 10d5cc8..f1a79fe 100644
--- a/.github/workflows/audit_weekly.yml
+++ b/.github/workflows/audit_weekly.yml
@@ -14,7 +14,7 @@ jobs:
   audit:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions-rs/audit-check@v1.2.0
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bc5079a..75abb0f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
     name: Test
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: actions-rs/toolchain@v1.0.7
     - run: cat CI.toml >> Cargo.toml
     - run: cargo test --workspace --locked --no-default-features
@@ -25,7 +25,7 @@ jobs:
     name: Browser Test
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: actions-rs/toolchain@v1.0.7
       with:
         toolchain: stable
@@ -48,7 +48,7 @@ jobs:
       target: ${{matrix.target && format('--target={0}', matrix.target)}}
       workspace: ${{matrix.no-workspace || '--workspace'}}
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: actions-rs/toolchain@v1.0.7
       with:
         toolchain: ${{matrix.rust}}
@@ -63,7 +63,7 @@ jobs:
     name: Minimal Versions
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: actions-rs/toolchain@v1.0.7
       with:
         toolchain: nightly
diff --git a/.github/workflows/deny_warnings.yml b/.github/workflows/deny_warnings.yml
index 65b9a7c..7b476b2 100644
--- a/.github/workflows/deny_warnings.yml
+++ b/.github/workflows/deny_warnings.yml
@@ -14,7 +14,7 @@ jobs:
     name: Deny Warnings
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: actions-rs/toolchain@v1.0.7
       with:
         toolchain: stable
diff --git a/.github/workflows/dependencies.yml b/.github/workflows/dependencies.yml
index 21b7522..26c1318 100644
--- a/.github/workflows/dependencies.yml
+++ b/.github/workflows/dependencies.yml
@@ -30,7 +30,7 @@ jobs:
   check-advisories:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: stable
@@ -45,7 +45,7 @@ jobs:
   check-bans:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: stable
@@ -60,7 +60,7 @@ jobs:
   check-licenses:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: stable
@@ -75,7 +75,7 @@ jobs:
   check-sources:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: stable
diff --git a/.github/workflows/pr_checks.yml b/.github/workflows/pr_checks.yml
index b376f16..59ece1d 100644
--- a/.github/workflows/pr_checks.yml
+++ b/.github/workflows/pr_checks.yml
@@ -11,7 +11,7 @@ jobs:
     name: Clippy
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: actions-rs/toolchain@v1.0.7
       with:
         toolchain: nightly
@@ -26,7 +26,7 @@ jobs:
     name: Formatting
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: actions-rs/toolchain@v1.0.7
       with:
         toolchain: nightly
diff --git a/.github/workflows/rust_auto_format.yml b/.github/workflows/rust_auto_format.yml
index 01a2056..c75ad34 100644
--- a/.github/workflows/rust_auto_format.yml
+++ b/.github/workflows/rust_auto_format.yml
@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         # github.ref is useless on pull requests.
         # github.head_ref only exists on pull requests.
diff --git a/.github/workflows/update_labels.yml b/.github/workflows/update_labels.yml
index 81207df..e3fe217 100644
--- a/.github/workflows/update_labels.yml
+++ b/.github/workflows/update_labels.yml
@@ -16,7 +16,7 @@ jobs:
     name: Update Labels
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: actions/cache@v3
       with:
         path: ~/.npm # I'm not entirely sure this is correct.