diff --git a/slides/review/package-lock.json b/slides/review/package-lock.json
index f791009..dfc8cd5 100644
--- a/slides/review/package-lock.json
+++ b/slides/review/package-lock.json
@@ -4860,16 +4860,22 @@
       }
     },
     "socket.io-parser": {
-      "version": "3.3.0",
-      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.3.0.tgz",
-      "integrity": "sha512-hczmV6bDgdaEbVqhAeVMM/jfUfzuEZHsQg6eOmLgJht6G3mPKMxYm75w2+qhAQZ+4X+1+ATZ+QFKeOZD5riHng==",
+      "version": "3.3.3",
+      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.3.3.tgz",
+      "integrity": "sha512-qOg87q1PMWWTeO01768Yh9ogn7chB9zkKtQnya41Y355S0UmpXgpcrFwAgjYJxu9BdKug5r5e9YtVSeWhKBUZg==",
       "dev": true,
       "requires": {
-        "component-emitter": "1.2.1",
+        "component-emitter": "~1.3.0",
         "debug": "~3.1.0",
         "isarray": "2.0.1"
       },
       "dependencies": {
+        "component-emitter": {
+          "version": "1.3.0",
+          "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.3.0.tgz",
+          "integrity": "sha512-Rd3se6QB+sO1TwqZjscQrurpEPIfO0/yYnSin6Q/rD3mOutHvUrCAhJub3r90uNb+SESBuE0QYoB90YdfatsRg==",
+          "dev": true
+        },
         "debug": {
           "version": "3.1.0",
           "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
@@ -4882,13 +4888,13 @@
         "isarray": {
           "version": "2.0.1",
           "resolved": "https://registry.npmjs.org/isarray/-/isarray-2.0.1.tgz",
-          "integrity": "sha1-o32U7ZzaLVmGXJ92/llu4fM4dB4=",
+          "integrity": "sha512-c2cu3UxbI+b6kR3fy0nRnAhodsvR9dx7U5+znCOzdj6IfP3upFURTr0Xl5BlQZNKZjEtxrmVyfSdeE3O57smoQ==",
           "dev": true
         },
         "ms": {
           "version": "2.0.0",
           "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
+          "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A==",
           "dev": true
         }
       }
diff --git a/slides/review/yarn.lock b/slides/review/yarn.lock
index 4ff7d3f..16a6a96 100644
--- a/slides/review/yarn.lock
+++ b/slides/review/yarn.lock
@@ -550,7 +550,7 @@ component-emitter@1.2.1:
   resolved "https://registry.yarnpkg.com/component-emitter/-/component-emitter-1.2.1.tgz#137918d6d78283f7df7a6b7c5a63e140e69425e6"
   integrity sha1-E3kY1teCg/ffemt8WmPhQOaUJeY=
 
-component-emitter@^1.2.1:
+component-emitter@^1.2.1, component-emitter@~1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/component-emitter/-/component-emitter-1.3.0.tgz#16e4070fba8ae29b679f2215853ee181ab2eabc0"
   integrity sha512-Rd3se6QB+sO1TwqZjscQrurpEPIfO0/yYnSin6Q/rD3mOutHvUrCAhJub3r90uNb+SESBuE0QYoB90YdfatsRg==
@@ -1941,7 +1941,7 @@ isarray@1.0.0, isarray@~1.0.0:
 isarray@2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/isarray/-/isarray-2.0.1.tgz#a37d94ed9cda2d59865c9f76fe596ee1f338741e"
-  integrity sha1-o32U7ZzaLVmGXJ92/llu4fM4dB4=
+  integrity sha512-c2cu3UxbI+b6kR3fy0nRnAhodsvR9dx7U5+znCOzdj6IfP3upFURTr0Xl5BlQZNKZjEtxrmVyfSdeE3O57smoQ==
 
 isexe@^2.0.0:
   version "2.0.0"
@@ -2291,7 +2291,7 @@ morgan@^1.9.1:
 ms@2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
-  integrity sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=
+  integrity sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A==
 
 ms@2.1.1:
   version "2.1.1"
@@ -3209,11 +3209,11 @@ socket.io-client@2.3.0:
     to-array "0.1.4"
 
 socket.io-parser@~3.3.0:
-  version "3.3.0"
-  resolved "https://registry.yarnpkg.com/socket.io-parser/-/socket.io-parser-3.3.0.tgz#2b52a96a509fdf31440ba40fed6094c7d4f1262f"
-  integrity sha512-hczmV6bDgdaEbVqhAeVMM/jfUfzuEZHsQg6eOmLgJht6G3mPKMxYm75w2+qhAQZ+4X+1+ATZ+QFKeOZD5riHng==
+  version "3.3.3"
+  resolved "https://registry.yarnpkg.com/socket.io-parser/-/socket.io-parser-3.3.3.tgz#3a8b84823eba87f3f7624e64a8aaab6d6318a72f"
+  integrity sha512-qOg87q1PMWWTeO01768Yh9ogn7chB9zkKtQnya41Y355S0UmpXgpcrFwAgjYJxu9BdKug5r5e9YtVSeWhKBUZg==
   dependencies:
-    component-emitter "1.2.1"
+    component-emitter "~1.3.0"
     debug "~3.1.0"
     isarray "2.0.1"