diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 21275cc..c94df7e 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -9,7 +9,7 @@ on:
 jobs:
   build:
 
-    runs-on: ubuntu-fossa
+    runs-on: ubuntu-20.04
 
     steps:
     - uses: actions/checkout@v2