diff --git a/chapter-11/color-organizer/package-lock.json b/chapter-11/color-organizer/package-lock.json
index ae0ded4a..aa841f85 100644
--- a/chapter-11/color-organizer/package-lock.json
+++ b/chapter-11/color-organizer/package-lock.json
@@ -7194,9 +7194,9 @@
           }
         },
         "ws": {
-          "version": "6.2.1",
-          "resolved": "https://registry.npmjs.org/ws/-/ws-6.2.1.tgz",
-          "integrity": "sha512-GIyAXC2cB7LjvpgMt9EKS2ldqr0MTrORaleiOno6TweZ6r3TKtoFQWay/2PceJ3RuBasOHzXNn5Lrw1X0bEjqA==",
+          "version": "6.2.2",
+          "resolved": "https://registry.npmjs.org/ws/-/ws-6.2.2.tgz",
+          "integrity": "sha512-zmhltoSR8u1cnDsD43TX59mzoMZsLKqUweyYBAIvTngR3shc0W6aOZylZmq/7hqyVxPdi+5Ud2QInblgyE72fw==",
           "requires": {
             "async-limiter": "~1.0.0"
           }
@@ -13306,9 +13306,9 @@
           }
         },
         "ws": {
-          "version": "6.2.1",
-          "resolved": "https://registry.npmjs.org/ws/-/ws-6.2.1.tgz",
-          "integrity": "sha512-GIyAXC2cB7LjvpgMt9EKS2ldqr0MTrORaleiOno6TweZ6r3TKtoFQWay/2PceJ3RuBasOHzXNn5Lrw1X0bEjqA==",
+          "version": "6.2.2",
+          "resolved": "https://registry.npmjs.org/ws/-/ws-6.2.2.tgz",
+          "integrity": "sha512-zmhltoSR8u1cnDsD43TX59mzoMZsLKqUweyYBAIvTngR3shc0W6aOZylZmq/7hqyVxPdi+5Ud2QInblgyE72fw==",
           "requires": {
             "async-limiter": "~1.0.0"
           }
@@ -13678,9 +13678,9 @@
       }
     },
     "ws": {
-      "version": "5.2.2",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-5.2.2.tgz",
-      "integrity": "sha512-jaHFD6PFv6UgoIVda6qZllptQsMlDEJkTQcybzzXDYM1XO9Y8em691FGMPmM46WGyLU4z9KMgQN+qrux/nhlHA==",
+      "version": "5.2.3",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-5.2.3.tgz",
+      "integrity": "sha512-jZArVERrMsKUatIdnLzqvcfydI85dvd/Fp1u/VOpfdDWQ4c9qWXe+VIeAbQ5FrDwciAkr+lzofXLz3Kuf26AOA==",
       "requires": {
         "async-limiter": "~1.0.0"
       }
diff --git a/chapter-11/color-organizer/yarn.lock b/chapter-11/color-organizer/yarn.lock
index 2dba996f..70fba69f 100644
--- a/chapter-11/color-organizer/yarn.lock
+++ b/chapter-11/color-organizer/yarn.lock
@@ -8249,11 +8249,33 @@ react-error-overlay@^6.0.6:
   resolved "https://registry.yarnpkg.com/react-error-overlay/-/react-error-overlay-6.0.6.tgz#ac4d9dc4c1b5c536c2c312bf66aa2b09bfa384e2"
   integrity sha512-Yzpno3enVzSrSCnnljmr4b/2KUQSMZaPuqmS26t9k4nW7uwJk6STWmH9heNjPuvqUTO3jOSPkHoKgO4+Dw7uIw==
 
+react-icons@^3.9.0:
+  version "3.11.0"
+  resolved "https://registry.yarnpkg.com/react-icons/-/react-icons-3.11.0.tgz#2ca2903dfab8268ca18ebd8cc2e879921ec3b254"
+  integrity sha512-JRgiI/vdF6uyBgyZhVyYJUZAop95Sy4XDe/jmT3R/bKliFWpO/uZBwvSjWEdxwzec7SYbEPNPck0Kff2tUGM2Q==
+  dependencies:
+    camelcase "^5.0.0"
+
 react-is@^16.8.1, react-is@^16.8.4:
   version "16.12.0"
   resolved "https://registry.yarnpkg.com/react-is/-/react-is-16.12.0.tgz#2cc0fe0fba742d97fd527c42a13bec4eeb06241c"
   integrity sha512-rPCkf/mWBtKc97aLL9/txD8DZdemK0vkA3JMLShjlJB3Pj3s+lpf1KaBzMfQrAmhMQB0n1cU/SUGgKKBCe837Q==
 
+react-router-dom@^6.0.0-alpha.2:
+  version "6.0.0-beta.0"
+  resolved "https://registry.yarnpkg.com/react-router-dom/-/react-router-dom-6.0.0-beta.0.tgz#9dcc8555365f22f7fbd09f26b6b82543f3eb97d6"
+  integrity sha512-36yNNGMT8RB9FRPL9nKJi6HKDkgOakU+o/2hHpSzR6e37gN70MpOU6QQlmif4oAWWBwjyGc3ZNOMFCsFuHUY5w==
+  dependencies:
+    prop-types "^15.7.2"
+    react-router "6.0.0-beta.0"
+
+react-router@6.0.0-beta.0, react-router@^6.0.0-alpha.2:
+  version "6.0.0-beta.0"
+  resolved "https://registry.yarnpkg.com/react-router/-/react-router-6.0.0-beta.0.tgz#3e11f39b6ded4412c2fed9e4f989dd4c8156724d"
+  integrity sha512-VgMdfpVcmFQki/LZuLh8E/MNACekDetz4xqft+a6fBZvvJnVqKbLqebF7hyoawGrV1HcO5tVaUang2Og4W2j1Q==
+  dependencies:
+    prop-types "^15.7.2"
+
 react-scripts@3.4.0:
   version "3.4.0"
   resolved "https://registry.yarnpkg.com/react-scripts/-/react-scripts-3.4.0.tgz#f413680f0b5b937c8879ba1ffdae9b8c5b364bf5"
@@ -10389,9 +10411,9 @@ write@1.0.3:
     mkdirp "^0.5.1"
 
 ws@^5.2.0:
-  version "5.2.2"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-5.2.2.tgz#dffef14866b8e8dc9133582514d1befaf96e980f"
-  integrity sha512-jaHFD6PFv6UgoIVda6qZllptQsMlDEJkTQcybzzXDYM1XO9Y8em691FGMPmM46WGyLU4z9KMgQN+qrux/nhlHA==
+  version "5.2.3"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-5.2.3.tgz#05541053414921bc29c63bee14b8b0dd50b07b3d"
+  integrity sha512-jZArVERrMsKUatIdnLzqvcfydI85dvd/Fp1u/VOpfdDWQ4c9qWXe+VIeAbQ5FrDwciAkr+lzofXLz3Kuf26AOA==
   dependencies:
     async-limiter "~1.0.0"