diff --git a/packages/hierarchical-tags/package-lock.json b/packages/hierarchical-tags/package-lock.json
index 55ec9fc..8bdd7c8 100644
--- a/packages/hierarchical-tags/package-lock.json
+++ b/packages/hierarchical-tags/package-lock.json
@@ -11,7 +11,7 @@
       "dependencies": {
         "@braintree/sanitize-url": "^5.0.0",
         "css.escape": "^1.5.1",
-        "immutable": "^3.x.x",
+        "immutable": "^4.3.7",
         "prop-types": "^15.7.2",
         "react": "=15.7.0",
         "react-immutable-proptypes": "^2.2.0"
@@ -4277,12 +4277,9 @@
       "dev": true
     },
     "node_modules/immutable": {
-      "version": "3.8.2",
-      "resolved": "https://registry.npmjs.org/immutable/-/immutable-3.8.2.tgz",
-      "integrity": "sha512-15gZoQ38eYjEjxkorfbcgBKBL6R7T459OuK+CpcWt7O3KF4uPCx2tD0uFETlUDIyo+1789crbMhTvQBSR5yBMg==",
-      "engines": {
-        "node": ">=0.10.0"
-      }
+      "version": "4.3.7",
+      "resolved": "https://registry.npmjs.org/immutable/-/immutable-4.3.7.tgz",
+      "integrity": "sha512-1hqclzwYwjRDFLjcFxOM5AYkkG0rpFPpr1RLPMEuGczoS7YA8gLhy8SWXYRAA/XwfEHpfo3cw5JGioS32fnMRw=="
     },
     "node_modules/import-local": {
       "version": "2.0.0",
@@ -6869,9 +6866,9 @@
       "dev": true
     },
     "node_modules/ua-parser-js": {
-      "version": "0.7.31",
-      "resolved": "https://registry.npmjs.org/ua-parser-js/-/ua-parser-js-0.7.31.tgz",
-      "integrity": "sha512-qLK/Xe9E2uzmYI3qLeOmI0tEOt+TBBQyUIAh4aAgU05FVYzeZrKUdkAZfBNVGRaHVgV0TDkdEngJSw/SyQchkQ==",
+      "version": "0.7.38",
+      "resolved": "https://registry.npmjs.org/ua-parser-js/-/ua-parser-js-0.7.38.tgz",
+      "integrity": "sha512-fYmIy7fKTSFAhG3fuPlubeGaMoAd6r0rSnfEsO5nEY55i26KSLt9EH7PLQiiqPUhNqYIJvSkTy1oArIcXAbPbA==",
       "funding": [
         {
           "type": "opencollective",
@@ -6880,6 +6877,10 @@
         {
           "type": "paypal",
           "url": "https://paypal.me/faisalman"
+        },
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/faisalman"
         }
       ],
       "engines": {
@@ -10945,9 +10946,9 @@
       "dev": true
     },
     "immutable": {
-      "version": "3.8.2",
-      "resolved": "https://registry.npmjs.org/immutable/-/immutable-3.8.2.tgz",
-      "integrity": "sha512-15gZoQ38eYjEjxkorfbcgBKBL6R7T459OuK+CpcWt7O3KF4uPCx2tD0uFETlUDIyo+1789crbMhTvQBSR5yBMg=="
+      "version": "4.3.7",
+      "resolved": "https://registry.npmjs.org/immutable/-/immutable-4.3.7.tgz",
+      "integrity": "sha512-1hqclzwYwjRDFLjcFxOM5AYkkG0rpFPpr1RLPMEuGczoS7YA8gLhy8SWXYRAA/XwfEHpfo3cw5JGioS32fnMRw=="
     },
     "import-local": {
       "version": "2.0.0",
@@ -13074,9 +13075,9 @@
       "dev": true
     },
     "ua-parser-js": {
-      "version": "0.7.31",
-      "resolved": "https://registry.npmjs.org/ua-parser-js/-/ua-parser-js-0.7.31.tgz",
-      "integrity": "sha512-qLK/Xe9E2uzmYI3qLeOmI0tEOt+TBBQyUIAh4aAgU05FVYzeZrKUdkAZfBNVGRaHVgV0TDkdEngJSw/SyQchkQ=="
+      "version": "0.7.38",
+      "resolved": "https://registry.npmjs.org/ua-parser-js/-/ua-parser-js-0.7.38.tgz",
+      "integrity": "sha512-fYmIy7fKTSFAhG3fuPlubeGaMoAd6r0rSnfEsO5nEY55i26KSLt9EH7PLQiiqPUhNqYIJvSkTy1oArIcXAbPbA=="
     },
     "unicode-canonical-property-names-ecmascript": {
       "version": "2.0.0",