diff --git a/package.json b/package.json
index 1094f88..aafe6a8 100644
--- a/package.json
+++ b/package.json
@@ -43,10 +43,10 @@
   },
   "browser": "lib/browser.js",
   "dependencies": {
-    "asn1.js": "=0.4.1",
+    "asn1.js": "=4.2.1",
     "bitcore-lib": "^0.13.7",
-    "jsrsasign": "=0.0.3",
-    "protobufjs": "=3.0.0"
+    "jsrsasign": "=5.0.5",
+    "protobufjs": "=4.1.3"
   },
   "devDependencies": {
     "bitcore-build": "git://github.com/bitpay/bitcore-build.git#a93a9970e3a0b3f948309730d4e4af5100dddf5a",