older ubuntu

tannewt · tannewt · commit 58c6f45d7e2b · 2019-08-15T01:09:06.000-07:00
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
@@ -5,7 +5,7 @@ on: [push]
 jobs:
   build:
 
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-16.04
     strategy:
       matrix:
         board: ["metro_m0_express", "metro_m4_express"]
