diff --git a/package.json b/package.json
index 5820cad..e34c724 100644
--- a/package.json
+++ b/package.json
@@ -7,11 +7,11 @@
   "contributors": [
     "David Fox-Powell (https://dtothefp.github.io/me)",
     "James (https://twitter.com/aretecode)",
-    "Jon Schlinkert (http://twitter.com/jonschlinkert)",
+    "Jon Schlinkert (https://twitter.com/jonschlinkert)",
     "Ken Sheedlo (kensheedlo.com)",
     "laggingreflex (https://github.com/laggingreflex)",
     "Miguel Mota (https://miguelmota.com)",
-    "Peter deHaan (http://about.me/peterdehaan)",
+    "Peter deHaan (https://about.me/peterdehaan)",
     "tunnckoCore (https://i.am.charlike.online)"
   ],
   "repository": "jonschlinkert/kind-of",