diff --git a/package.json b/package.json
index 382b6e8..30a1c4a 100644
--- a/package.json
+++ b/package.json
@@ -2,6 +2,7 @@
   "name": "is-ipfs",
   "version": "0.4.6",
   "description": "A set of utilities to help identify IPFS resources",
+  "leadMaintainer": "Marcin Rataj <lidel@lidel.org>",
   "main": "src/index.js",
   "browser": {
     "fs": false
@@ -30,9 +31,9 @@
   "license": "MIT",
   "dependencies": {
     "bs58": "4.0.1",
-    "cids": "0.5.4",
-    "multibase": "0.4.0",
-    "multihashes": "0.4.13"
+    "cids": "~0.5.5",
+    "multibase": "~0.4.0",
+    "multihashes": "~0.4.13"
   },
   "devDependencies": {
     "aegir": "15.0.1",