diff --git a/.github/workflows/linux-pip-tests.yml b/.github/workflows/linux-pip-tests.yml
index 1a4f1e5a..a5b65ec8 100644
--- a/.github/workflows/linux-pip-tests.yml
+++ b/.github/workflows/linux-pip-tests.yml
@@ -17,7 +17,7 @@ concurrency:
 jobs:
   linux:
     name: Linux (pip) - Py${{ matrix.PYTHON_VERSION }}
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     env:
       CI: True
       PYTHON_VERSION: ${{ matrix.PYTHON_VERSION }}
diff --git a/.github/workflows/linux-tests.yml b/.github/workflows/linux-tests.yml
index 87381c3e..2567b15a 100644
--- a/.github/workflows/linux-tests.yml
+++ b/.github/workflows/linux-tests.yml
@@ -17,7 +17,7 @@ concurrency:
 jobs:
   linux:
     name: Linux - Py${{ matrix.PYTHON_VERSION }}
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     env:
       CI: True
       PYTHON_VERSION: ${{ matrix.PYTHON_VERSION }}