diff --git a/packages/hierarchical-tags/package-lock.json b/packages/hierarchical-tags/package-lock.json
index 55ec9fc..6d5be6f 100644
--- a/packages/hierarchical-tags/package-lock.json
+++ b/packages/hierarchical-tags/package-lock.json
@@ -9,9 +9,9 @@
       "version": "1.0.4",
       "license": "MIT",
       "dependencies": {
-        "@braintree/sanitize-url": "^5.0.0",
+        "@braintree/sanitize-url": "^6.0.1",
         "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"
@@ -1827,10 +1827,9 @@
       }
     },
     "node_modules/@braintree/sanitize-url": {
-      "version": "5.0.2",
-      "resolved": "https://registry.npmjs.org/@braintree/sanitize-url/-/sanitize-url-5.0.2.tgz",
-      "integrity": "sha512-NBEJlHWrhQucLhZGHtSxM2loSaNUMajC7KOYJLyfcdW/6goVoff2HoYI3bz8YCDN0wKGbxtUL0gx2dvHpvnWlw==",
-      "deprecated": "Potential XSS vulnerability patched in v6.0.0."
+      "version": "6.0.1",
+      "resolved": "https://registry.npmjs.org/@braintree/sanitize-url/-/sanitize-url-6.0.1.tgz",
+      "integrity": "sha512-zr9Qs9KFQiEvMWdZesjcmRJlUck5NR+eKGS1uyKk+oYTWwlYrsoPEi6VmG6/TzBD1hKCGEimrhTgGS6hvn/xIQ=="
     },
     "node_modules/@jridgewell/gen-mapping": {
       "version": "0.1.1",
@@ -4277,12 +4276,9 @@
       "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",
@@ -8931,9 +8927,9 @@
       }
     },
     "@braintree/sanitize-url": {
-      "version": "5.0.2",
-      "resolved": "https://registry.npmjs.org/@braintree/sanitize-url/-/sanitize-url-5.0.2.tgz",
-      "integrity": "sha512-NBEJlHWrhQucLhZGHtSxM2loSaNUMajC7KOYJLyfcdW/6goVoff2HoYI3bz8YCDN0wKGbxtUL0gx2dvHpvnWlw=="
+      "version": "6.0.1",
+      "resolved": "https://registry.npmjs.org/@braintree/sanitize-url/-/sanitize-url-6.0.1.tgz",
+      "integrity": "sha512-zr9Qs9KFQiEvMWdZesjcmRJlUck5NR+eKGS1uyKk+oYTWwlYrsoPEi6VmG6/TzBD1hKCGEimrhTgGS6hvn/xIQ=="
     },
     "@jridgewell/gen-mapping": {
       "version": "0.1.1",
@@ -10945,9 +10941,9 @@
       "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",
diff --git a/packages/hierarchical-tags/package.json b/packages/hierarchical-tags/package.json
index 19f41b4..d871f96 100644
--- a/packages/hierarchical-tags/package.json
+++ b/packages/hierarchical-tags/package.json
@@ -53,7 +53,7 @@
     "webpack-cli": "^3.3.12"
   },
   "dependencies": {
-    "@braintree/sanitize-url": "^5.0.0",
+    "@braintree/sanitize-url": "^6.0.1",
     "css.escape": "^1.5.1",
     "immutable": "^4.3.7",
     "prop-types": "^15.7.2",