Up dependencies

app/package.json

@@ -9,7 +9,7 @@
   "dependencies": {
     "connected-react-router": "6.3.2",
     "drizzle": "1.3.3",
-    "history": "4.7.2",
+    "history": "4.9.0",
     "ipfs": "github:ipfs/js-ipfs#e849dbcab4a313f7ffc1532a389097ee76344067",
     "orbit-db": "0.19.9",
     "orbit-db-keystore": "0.1.0",
@@ -19,7 +19,7 @@
     "react-dom": "16.8.4",
     "react-markdown": "4.0.6",
     "react-redux": "6.0.1",
-    "react-router-dom": "4.3.1",
+    "react-router-dom": "5.0.0",
     "react-scripts": "2.1.8",
     "react-timeago": "4.4.0",
     "react-user-avatar": "1.10.0",

contracts/Forum.sol

@@ -1,4 +1,4 @@
-pragma solidity >=0.5.5 <0.6.0;
+pragma solidity >=0.5.6 <0.6.0;
 
 contract Forum {
 

contracts/Migrations.sol

@@ -1,4 +1,4 @@
-pragma solidity >=0.5.5 <0.6.0;
+pragma solidity >=0.5.6 <0.6.0;
 
 contract Migrations {
   address public owner;

package.json

@@ -12,7 +12,7 @@
     "test": "test"
   },
   "dependencies": {
-    "openzeppelin-solidity": "^2.1.2"
+    "openzeppelin-solidity": "^2.2.0"
   },
   "devDependencies": {
     "eslint": "5.12.0",

truffle-config.js

@@ -13,7 +13,7 @@ module.exports = {
   },
   compilers: {
     solc: {
-      version: '0.5.5',
+      version: '0.5.6',
       settings: {
         optimizer: {
           enabled: true,