diff --git a/.github/workflows/github_actions.yml b/.github/workflows/github_actions.yml
index 54c1482fa6..91d778ed45 100644
--- a/.github/workflows/github_actions.yml
+++ b/.github/workflows/github_actions.yml
@@ -18,7 +18,7 @@ jobs:
     strategy:
       matrix:
         blas: [build_openblas]
-        os: [ubuntu-18.04, macos-10.15]
+        os: [ubuntu-20.04, macos-10.15]
         experimental: [false]
         mpi_impl:
           - openmpi