diff --git a/.github/workflows/build-wheels.yml b/.github/workflows/build-wheels.yml
index 2d5f836..45bd5af 100644
--- a/.github/workflows/build-wheels.yml
+++ b/.github/workflows/build-wheels.yml
@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-22.04
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v5
 
       - name: Set up Python
         uses: actions/setup-python@v6
diff --git a/.github/workflows/code-quality.yml b/.github/workflows/code-quality.yml
index 87cd3d5..586fa3e 100644
--- a/.github/workflows/code-quality.yml
+++ b/.github/workflows/code-quality.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-22.04
     name: Pylint
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v5
 
       - name: Set up Python
         uses: actions/setup-python@v6
@@ -42,7 +42,7 @@ jobs:
     runs-on: ubuntu-22.04
     name: Python formatting
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v5
 
       - name: Set up Python
         uses: actions/setup-python@v6
@@ -59,6 +59,6 @@ jobs:
   markdown-link-check:
     runs-on: ubuntu-22.04
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - uses: gaurav-nelson/github-action-markdown-link-check@v1
 
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 46fda74..06224b2 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -20,7 +20,7 @@ jobs:
         os: ['windows-2022', 'ubuntu-22.04', 'macos-13']
         python: ["3.10", "3.11"]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v5
 
       - uses: actions/setup-python@v6
         with:
@@ -41,7 +41,7 @@ jobs:
     container:
       image: ghcr.io/openassetio/openassetio-build
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v5
       - name: Build
         uses: ./.github/build_openassetio
 
@@ -52,7 +52,7 @@ jobs:
     container:
       image: aswf/ci-base:2024
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v5
 
       - name: Get OpenAssetIO
         uses: actions/download-artifact@v5