diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 212332a..3604462 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -48,7 +48,7 @@ jobs:
       matrix:
         os:
           - ubuntu-20.04
-          - ubuntu-18.04
+          - ubuntu-22.04
 
     steps:
       - uses: actions/checkout@v2
@@ -113,8 +113,8 @@ jobs:
       fail-fast: true
       matrix:
         os:
-          - macos-10.15
           - macos-11
+          - macos-12
 
     steps:
       - uses: actions/checkout@v2