diff --git a/package-lock.json b/package-lock.json
index 0ee4a8a..b9ad582 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8,19 +8,16 @@
       "name": "stompjs",
       "version": "2.3.4-next",
       "license": "Apache-2.0",
-      "dependencies": {
-        "websocket": "latest"
-      },
       "devDependencies": {
-        "coffee-script": "latest",
-        "coffeelint": "latest",
-        "connect": "latest",
-        "docco": "latest",
-        "jasmine-node": "latest",
-        "uglify-js": "latest"
+        "coffee-script": "*",
+        "coffeelint": "*",
+        "connect": "*",
+        "docco": "*",
+        "jasmine-node": "*",
+        "uglify-js": "*"
       },
       "optionalDependencies": {
-        "websocket": "latest"
+        "websocket": "*"
       }
     },
     "node_modules/at-least-node": {
@@ -441,7 +438,6 @@
       "integrity": "sha512-5dgndWOriYSm5cnYaJNhalLNDKOqFwyDB/rr1E9ZsGciGvKPs8R2xYGCacuf3z6K1YKDz182fd+fY3cn3pMqXQ==",
       "dev": true,
       "dependencies": {
-        "graceful-fs": "^4.1.6",
         "universalify": "^2.0.0"
       },
       "optionalDependencies": {
@@ -476,9 +472,9 @@
       }
     },
     "node_modules/minimatch": {
-      "version": "3.0.4",
-      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
-      "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
+      "version": "3.0.8",
+      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.8.tgz",
+      "integrity": "sha512-6FsRAQsxQ61mw+qP1ZzbL9Bc78x2p5OqNgNpnoAFLTrX8n5Kxph0CsnhmKKNXTWjXqU5L0pGPR7hYk+XWZr60Q==",
       "dev": true,
       "dependencies": {
         "brace-expansion": "^1.1.7"
@@ -1106,9 +1102,9 @@
       "dev": true
     },
     "minimatch": {
-      "version": "3.0.4",
-      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
-      "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
+      "version": "3.0.8",
+      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.8.tgz",
+      "integrity": "sha512-6FsRAQsxQ61mw+qP1ZzbL9Bc78x2p5OqNgNpnoAFLTrX8n5Kxph0CsnhmKKNXTWjXqU5L0pGPR7hYk+XWZr60Q==",
       "dev": true,
       "requires": {
         "brace-expansion": "^1.1.7"