diff --git a/qutebrowser/config.py b/qutebrowser/config.py
index 8129503..8bd3356 100644
--- a/qutebrowser/config.py
+++ b/qutebrowser/config.py
@@ -1261,7 +1261,7 @@ c.url.searchengines = {
     "mdn": "https://developer.mozilla.org/search?q={}",
     "py2": "https://docs.python.org/2/search.html?q={}",
     "py3": "https://docs.python.org/3/search.html?q={}",
-    "rdoc": "https://ruby-doc.org/core-2.6.5/{}.html",
+    "rdoc": "https://rubyapi.org/2.7/o/s?q={}",
     "thesaurus": "https://www.thesaurus.com/browse/{}",
     "ud": "https://www.urbandictionary.com/define.php?term={}",
 }