diff --git a/dapp/package-lock.json b/dapp/package-lock.json
index 2a56413..7341d36 100644
--- a/dapp/package-lock.json
+++ b/dapp/package-lock.json
@@ -509,27 +509,27 @@
       "integrity": "sha512-VLzpjCA4uXqfzkwqWtMM6hvPm2PNHp2RcmzBXcbi6C9WpkUhhFb8SVAr4CFrCsFxDg+oY6HalOjn8F+egyvhag==",
       "dev": true,
       "requires": {
-        "browser-sync-client": "2.26.2",
-        "browser-sync-ui": "2.26.2",
+        "browser-sync-client": "^2.26.2",
+        "browser-sync-ui": "^2.26.2",
         "bs-recipes": "1.3.4",
-        "bs-snippet-injector": "2.0.1",
-        "chokidar": "2.1.5",
+        "bs-snippet-injector": "^2.0.1",
+        "chokidar": "^2.0.4",
         "connect": "3.6.6",
-        "connect-history-api-fallback": "1.6.0",
-        "dev-ip": "1.0.1",
-        "easy-extender": "2.3.4",
-        "eazy-logger": "3.0.2",
-        "etag": "1.8.1",
-        "fresh": "0.5.2",
+        "connect-history-api-fallback": "^1",
+        "dev-ip": "^1.0.1",
+        "easy-extender": "^2.3.4",
+        "eazy-logger": "^3",
+        "etag": "^1.8.1",
+        "fresh": "^0.5.2",
         "fs-extra": "3.0.1",
         "http-proxy": "1.15.2",
-        "immutable": "3.8.2",
+        "immutable": "^3",
         "localtunnel": "1.9.1",
         "micromatch": "2.3.11",
         "opn": "5.3.0",
         "portscanner": "2.1.1",
         "qs": "6.2.3",
-        "raw-body": "2.4.0",
+        "raw-body": "^2.3.2",
         "resp-modifier": "6.0.2",
         "rx": "4.1.0",
         "send": "0.16.2",