diff --git a/.github/workflows/reg_tests.yml b/.github/workflows/reg_tests.yml
index 5eaea44..2101f87 100644
--- a/.github/workflows/reg_tests.yml
+++ b/.github/workflows/reg_tests.yml
@@ -11,7 +11,7 @@ env:
 jobs:
 
   regresstion_tests:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     name: Regression tests
     steps:
     - uses: actions/checkout@v2