diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index d4ccb7e..1a8500f 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -8,7 +8,7 @@ jobs:
     name: Build
     strategy:
       matrix:
-        os: [macos-latest, ubuntu-16.04, windows-latest]
+        os: [macos-latest, ubuntu-20.04, windows-latest]
       
     runs-on: ${{ matrix.os }}