diff --git a/.github/workflows/check-full.yaml b/.github/workflows/check-full.yaml
index 17b79a3..295d8d4 100644
--- a/.github/workflows/check-full.yaml
+++ b/.github/workflows/check-full.yaml
@@ -10,7 +10,7 @@ on:
   pull_request:
     branches: [main, master]
   schedule:
-    - cron:  '0 17 * * 1,4'
+    - cron:  '30 11 * * 1,4'
 
 name: R-CMD-check
 
@@ -33,7 +33,6 @@ jobs:
           - {os: ubuntu-latest, r: 'release'}
           - {os: ubuntu-latest, r: 'devel'}
           - {os: ubuntu-latest, r: 'oldrel'}
-          - {os: ubuntu-latest, r: '3.6'}
 
     env:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}