diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index f3d8a77f..8df42bfa 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -31,7 +31,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest]
+        os: [ubuntu-22.04, ubuntu-latest]
         python-version: ["3.10"]
         hdf5-branch: ["hdf5_1_14"]  
 
@@ -160,7 +160,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest]
+        os: [ubuntu-22.04, ubuntu-latest]
         python-version: ["3.10"]
         hdf5-branch: ["hdf5_1_14", "develop"]