diff --git a/packages.json b/packages.json
index 8b8704c..a93a99a 100644
--- a/packages.json
+++ b/packages.json
@@ -916,6 +916,20 @@
     "license": "MIT",
     "web": "https://github.com/fowlmouth/signals.nim"
   },
+  {
+    "name": "sling",
+    "url": "git://github.com/Druage/sling",
+    "method": "git",
+    "tags": [
+      "signal",
+      "slots",
+      "eventloop",
+      "callback"
+    ],
+    "description": "Signal and Slot library for Nim.",
+    "license": "unlicense",
+    "web": "https://github.com/Druage/sling"
+  },
   {
     "name": "number_files",
     "url": "git://github.com/gradha/number_files/",