diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 316bbac..d6aa088 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -2,14 +2,14 @@ name: CI
 on:
   pull_request:
     branches:
-      - master
+      - main
   push:
     branches:
-      - master
+      - main
 
 jobs:
   build:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
       - name: Set Stan Version
         id: scala_stan_version
@@ -30,4 +30,4 @@ jobs:
       - name: Test
         run: |
           source .github/scripts/env.sh
-          sbt -batch test it:test
+          sbt -batch "+ test" "+ IntegrationTest / test"