diff --git a/resources/css.json b/resources/css.json
index c1a86ea..d23d860 100644
--- a/resources/css.json
+++ b/resources/css.json
@@ -35,7 +35,7 @@
     {
       "title": "30 Seconds of Code",
       "desc": "A curated collection of useful CSS snippets you can understand in 30 seconds or less.",
-      "url": "https://30-seconds.github.io/30-seconds-of-css/",
+      "url": "https://www.30secondsofcode.org/css/",
       "tags": ["tips", "tricks", "collection"]
     },
     {
@@ -141,4 +141,4 @@
       "tags": ["interactive", "visual", "shapes"]
     }
   ]
-}
\ No newline at end of file
+}