diff --git a/package.json b/package.json
index 2b435f6..819da99 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "multicodec",
-  "version": "0.5.5",
+  "version": "0.5.6",
   "description": "JavaScript implementation of the multicodec specification",
   "leadMaintainer": "Henrique Dias <hacdias@gmail.com>",
   "main": "src/index.js",
@@ -51,9 +51,11 @@
   },
   "contributors": [
     "David Dias <daviddias.p@gmail.com>",
+    "Filip Š <filip.stamcar@hotmail.com>",
     "Friedel Ziegelmayer <dignifiedquire@gmail.com>",
     "Henrique Dias <hacdias@gmail.com>",
     "Marcin Rataj <lidel@lidel.org>",
+    "Mikeal Rogers <mikeal.rogers@gmail.com>",
     "Richard Littauer <richard.littauer@gmail.com>",
     "Volker Mische <volker.mische@gmail.com>",
     "achingbrain <alex@achingbrain.net>",