diff --git a/config.json b/config.json
index 18af404..69ce837 100644
--- a/config.json
+++ b/config.json
@@ -174,6 +174,11 @@
       "slug": "roman-numerals",
       "difficulty": 1,
       "topics": []
+    },
+    {
+      "slug": "gigasecond",
+      "difficulty": 1,
+      "topics": []
     }
   ],
   "deprecated": [