diff --git a/.github/workflows/build_docs.yml b/.github/workflows/build_docs.yml
index 7b1c587..000e927 100644
--- a/.github/workflows/build_docs.yml
+++ b/.github/workflows/build_docs.yml
@@ -7,7 +7,7 @@ on:
 
 jobs:
   deploy:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v3
       - run: |
diff --git a/.github/workflows/test_build_docs.yml b/.github/workflows/test_build_docs.yml
index 7d304e1..e96e9c0 100644
--- a/.github/workflows/test_build_docs.yml
+++ b/.github/workflows/test_build_docs.yml
@@ -7,7 +7,7 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v3
       - run: pip install mkdocs mkdocs-material