diff --git a/packages.json b/packages.json
index bf361fc..c919819 100644
--- a/packages.json
+++ b/packages.json
@@ -1641,5 +1641,14 @@
     "description": "Wrapper around the GMP bindings for the Nim language.",
     "license": "MIT",
     "web": "https://github.com/FedeOmoto/bignum"
+  },
+  {
+    "name": "rbtree",
+    "url": "https://github.com/Nycto/RBTreeNim",
+    "method": "git",
+    "tags": ["tree", "binary search tree", "rbtree", "red black tree"],
+    "description": "Red/Black Trees",
+    "license": "MIT",
+    "web": "https://github.com/Nycto/RBTreeNim"
   }
 ]