diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 0c1c4cd..39e20c9 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -15,7 +15,7 @@ jobs:
       max-parallel: 7
       matrix:
         os:
-          - ubuntu-latest
+          - ubuntu-22.04
         python-version:
           - '3.9'
           - '3.10'
@@ -33,9 +33,9 @@ jobs:
     runs-on: ${{ matrix.os }}
 
     steps:
-      - uses: actions/checkout@v4.1.1
+      - uses: actions/checkout@v4.2.2
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v5.0.0
+        uses: actions/setup-python@v5.3.0
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install dependencies