diff --git a/.github/workflows/master.yml b/.github/workflows/master.yml
index c317324..44e02e9 100644
--- a/.github/workflows/master.yml
+++ b/.github/workflows/master.yml
@@ -9,7 +9,7 @@ on:
 
 jobs:
   quality:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
       - name: Check out
         uses: actions/checkout@v4
@@ -26,7 +26,7 @@ jobs:
         run: make check
 
   tox:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     strategy:
       matrix:
         python-version: ["3.12"]
@@ -58,7 +58,7 @@ jobs:
         run: tox
 
   check-docs:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
       - name: Check out
         uses: actions/checkout@v4