diff --git a/.github/renovate.json b/.github/renovate.json
index f34cdec..f85f746 100644
--- a/.github/renovate.json
+++ b/.github/renovate.json
@@ -7,6 +7,15 @@
   "gitIgnoredAuthors": ["41898282+github-actions[bot]@users.noreply.github.com"],
   "rangeStrategy": "bump",
   "packageRules": [
+    {
+      "description": "Keep major-only Node.js and Deno versions floating in GitHub Actions",
+      "matchManagers": ["github-actions"],
+      "matchDepTypes": ["uses-with"],
+      "matchDepNames": ["node", "deno"],
+      "matchCurrentValue": "/^v?[0-9]+([.]x)?$/",
+      "matchUpdateTypes": ["minor", "patch"],
+      "enabled": false
+    },
     {
       "matchUpdateTypes": ["major"],
       "dependencyDashboardApproval": true