diff --git a/.github/workflows/CompatHelper.yml b/.github/workflows/CompatHelper.yml
index 411856d..f71a5fb 100644
--- a/.github/workflows/CompatHelper.yml
+++ b/.github/workflows/CompatHelper.yml
@@ -2,26 +2,24 @@ name: CompatHelper
 
 on:
   schedule:
-    - cron: '00 00 * * *'
-  pull_request:
-    branches:
-    - master
+    - cron: '00 03 * * *'
+  workflow_dispatch:
 
 jobs:
   CompatHelper:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        julia-version: [1.2.0]
+        julia-version: [1.5.3]
         julia-arch: [x86]
         os: [ubuntu-latest]
     steps:
-      - uses: julia-actions/setup-julia@latest
-        with:
-          version: ${{ matrix.julia-version }}
       - name: Pkg.add("CompatHelper")
         run: julia -e 'using Pkg; Pkg.add("CompatHelper")'
+        env:
+          JULIA_PKG_SERVER:
       - name: CompatHelper.main()
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          JULIA_PKG_SERVER:
         run: julia -e 'using CompatHelper; CompatHelper.main()'