diff --git a/.github/workflows/cleanup.yml b/.github/workflows/cleanup.yml
new file mode 100644
index 0000000..01468db
--- /dev/null
+++ b/.github/workflows/cleanup.yml
@@ -0,0 +1,32 @@
+# For most projects, this workflow file will not need changing; you simply need
+# to commit it to your repository.
+#
+# You may wish to alter this file to override the set of languages analyzed,
+# or to provide custom queries or build logic.
+#
+# ******** NOTE ********
+# We have attempted to detect the languages in your repository. Please check
+# the `language` matrix defined below to confirm you have the correct set of
+# supported CodeQL languages.
+#
+name: 'Cleanup'
+
+on:
+  schedule:
+    - cron: '0 0/6 * * *'
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: ci
+        run: npm ci
+
+      - name: cleanup
+        run: npm run cleanup
+        env:
+          GSHEET_CLIENT_EMAIL: ${{ secrets.GSHEET_CLIENT_EMAIL }}
+          GSHEET_PRIVATE_KEY: ${{ secrets.GSHEET_PRIVATE_KEY }}
+          TEST_SPREADSHEET_ID: ${{ secrets.TEST_SPREADSHEET_ID }}
diff --git a/package.json b/package.json
index 2a2c7b1..acc08ba 100644
--- a/package.json
+++ b/package.json
@@ -75,7 +75,8 @@
     "prepack": "rm -rf lib && tsc -b && oclif-dev manifest && oclif-dev readme --multi",
     "test": "nyc mocha \"test/**/*.test.ts\"",
     "semantic-release": "semantic-release",
-    "prepare": "husky install"
+    "prepare": "husky install",
+    "cleanup": "bin/clear-testsheet.sh"
   },
   "types": "lib/index.d.ts"
 }