diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index d7fc2a1..4da9cfe 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Set up Python
       uses: actions/setup-python@v4
diff --git a/.github/workflows/format.yml b/.github/workflows/format.yml
index 3cdd8c0..b0c96c3 100644
--- a/.github/workflows/format.yml
+++ b/.github/workflows/format.yml
@@ -11,7 +11,7 @@ jobs:
     name: Pre-commit checks
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: actions/setup-python@v4
       with:
         python-version: '3.10'
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 2ba83a7..6dfee60 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -27,7 +27,7 @@ jobs:
 
     name: ${{ matrix.os }}, Python ${{ matrix.python-version }}
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v4
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index c8fcc59..159aa53 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -18,7 +18,7 @@ repos:
   hooks:
   - id: check-manifest
 
-- repo: https://github.com/charliermarsh/ruff-pre-commit
+- repo: https://github.com/astral-sh/ruff-pre-commit
   rev: "v0.0.262"
   hooks:
   - id: ruff