diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index b1787c2..0295de6 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -12,12 +12,12 @@ jobs:
       PYTHONUNBUFFERED: '1'
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: 'true'
       
       - name: Python environment
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: '3.10'
 
@@ -42,7 +42,7 @@ jobs:
           python tests/invalid.py
     
       - name: Upload wheels
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: wheels
           path: dist
@@ -56,12 +56,12 @@ jobs:
       PYTHONUNBUFFERED: '1'
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: 'true'
       
       - name: Python environment
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: '3.10'
 
@@ -90,7 +90,7 @@ jobs:
           python tests/invalid.py
     
       - name: Upload wheels
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: wheels
           path: dist
@@ -105,7 +105,7 @@ jobs:
       PYTHONUNBUFFERED: '1'
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: 'true'
       
@@ -129,7 +129,7 @@ jobs:
           python tests/invalid.py
     
       - name: Upload wheels
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: wheels
           path: dist
@@ -143,7 +143,7 @@ jobs:
       discussions: write
     steps:
       - name: Download wheels
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: wheels
           path: dist