diff --git a/package-lock.json b/package-lock.json
index 8a453ef..e5cfc71 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -279,23 +279,23 @@
     "engine.io": {
       "version": "3.1.4",
       "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-3.1.4.tgz",
-      "integrity": "sha1-PQIRtwpVLOhB/8fahiezAamkFi4=",
+      "integrity": "sha512-JGmpoGbS3eL/40CZtP8pcsjUQw90GZpKg35Djk4qfO8zqVln6gdbZC4vskZzaWsx7ofgX4aKs04qn4wDq8uBLg==",
       "requires": {
         "accepts": "1.3.3",
         "base64id": "1.0.0",
         "cookie": "0.3.1",
-        "debug": "2.6.9",
-        "engine.io-parser": "2.1.1",
-        "uws": "0.14.5",
-        "ws": "3.3.2"
+        "debug": "~2.6.9",
+        "engine.io-parser": "~2.1.0",
+        "uws": "~0.14.4",
+        "ws": "~3.3.1"
       },
       "dependencies": {
         "accepts": {
           "version": "1.3.3",
           "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.3.tgz",
-          "integrity": "sha1-w8p0NJOGSMPg2cHjKN1otiLChMo=",
+          "integrity": "sha512-AOPopplFOUlmUugwiZUCDpOwmqvSgdCyE8iJVLWI4NcB7qfMKQN34dn5xYtlUU03XGG5egRWW4NW5gIxpa5hEA==",
           "requires": {
-            "mime-types": "2.1.17",
+            "mime-types": "~2.1.11",
             "negotiator": "0.6.1"
           }
         }