diff --git a/src/networks.js b/src/networks.js
index 4a6794300..687456176 100644
--- a/src/networks.js
+++ b/src/networks.js
@@ -11,7 +11,7 @@ export const NETWORKS = {
       etherscan: 'https://ropsten.etherscan.io',
       infura: 'https://ropsten.infura.io',
       marketplace:'https://260r82zgt7.execute-api.us-east-1.amazonaws.com/ropsten/',
-      protobufjs:'http://protojs.singularitynet.io/ropsten/'
+      protobufjs:'https://protojs.singularitynet.io/ropsten/'
     }, 
     4: {
       name: "Rinkeby Test Network",
@@ -25,7 +25,7 @@ export const NETWORKS = {
       etherscan: 'https://kovan.etherscan.io',
       infura: 'https:/kovan.infura.io',
       marketplace:'https://260r82zgt7.execute-api.us-east-1.amazonaws.com/kovan/',
-      protobufjs:'http://protojs.singularitynet.io/kovan/',
+      protobufjs:'https://protojs.singularitynet.io/kovan/',
       default:true
     },
   };