diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 1b945ae..9beef63 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -13,9 +13,11 @@ jobs:
     strategy:
       matrix:
         os:
-        - Windows-latest
-        - macOS-latest
-        - Ubuntu-latest
+        - Windows-2019
+        - macOS-10.15
+        - Ubuntu-16.04
+        - Ubuntu-18.04
+        - Ubuntu-20.04
         nodejs:
         - 12
       fail-fast: false