diff --git a/large-file/package-lock.json b/large-file/package-lock.json
index fa2bba08..c329f2f6 100644
--- a/large-file/package-lock.json
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diff --git a/large-file/package.json b/large-file/package.json
index 0e6486e3..2812d317 100644
--- a/large-file/package.json
+++ b/large-file/package.json
@@ -546,8 +546,8 @@
     "encodeurl": "1.0.2",
     "encoding": "0.1.12",
     "end-of-stream": "1.4.1",
-    "engine.io": "^3.1.0",
-    "engine.io-client": "^3.1.1",
+    "engine.io": "^3.4.0",
+    "engine.io-client": "^3.5.4",
     "engine.io-parser": "1.3.2",
     "enhanced-resolve": "4.0.0",
     "ent": "2.2.0",
@@ -872,7 +872,7 @@
     "jsx-ast-utils": "2.0.1",
     "just-extend": "^4.0.0",
     "jwt-decode": "2.2.0",
-    "karma": "^2.0.3",
+    "karma": "^5.0.8",
     "karma-chrome-launcher": "2.2.0",
     "karma-mocha": "^2.0.0",
     "karma-mocha-reporter": "2.2.5",
@@ -1397,9 +1397,9 @@
     "snapdragon-util": "3.0.1",
     "sntp": "^2.0.1",
     "snyk": "^1.389.0",
-    "socket.io": "^2.0.2",
+    "socket.io": "^2.3.0",
     "socket.io-adapter": "^1.1.1",
-    "socket.io-client": "^2.0.2",
+    "socket.io-client": "^2.4.0",
     "socket.io-parser": "^3.1.0",
     "sort-keys": "1.1.2",
     "source-list-map": "2.0.0",