diff --git a/package-lock.json b/package-lock.json
index 0ee4a8a..f7ccb65 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": {
@@ -343,12 +340,12 @@
       }
     },
     "node_modules/highlight.js": {
-      "version": "10.4.0",
-      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-10.4.0.tgz",
-      "integrity": "sha512-EfrUGcQ63oLJbj0J0RI9ebX6TAITbsDBLbsjr881L/X5fMO9+oadKzEF21C7R3ULKG6Gv3uoab2HiqVJa/4+oA==",
+      "version": "11.7.0",
+      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-11.7.0.tgz",
+      "integrity": "sha512-1rRqesRFhMO/PRF+G86evnyJkCgaZFOI+Z6kdj15TA18funfoqJXvgPCLSf0SWq3SRfg1j3HlDs8o4s3EGq1oQ==",
       "dev": true,
       "engines": {
-        "node": "*"
+        "node": ">=12.0.0"
       }
     },
     "node_modules/ignore": {
@@ -441,7 +438,6 @@
       "integrity": "sha512-5dgndWOriYSm5cnYaJNhalLNDKOqFwyDB/rr1E9ZsGciGvKPs8R2xYGCacuf3z6K1YKDz182fd+fY3cn3pMqXQ==",
       "dev": true,
       "dependencies": {
-        "graceful-fs": "^4.1.6",
         "universalify": "^2.0.0"
       },
       "optionalDependencies": {
@@ -994,9 +990,9 @@
       "dev": true
     },
     "highlight.js": {
-      "version": "10.4.0",
-      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-10.4.0.tgz",
-      "integrity": "sha512-EfrUGcQ63oLJbj0J0RI9ebX6TAITbsDBLbsjr881L/X5fMO9+oadKzEF21C7R3ULKG6Gv3uoab2HiqVJa/4+oA==",
+      "version": "11.7.0",
+      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-11.7.0.tgz",
+      "integrity": "sha512-1rRqesRFhMO/PRF+G86evnyJkCgaZFOI+Z6kdj15TA18funfoqJXvgPCLSf0SWq3SRfg1j3HlDs8o4s3EGq1oQ==",
       "dev": true
     },
     "ignore": {