diff --git a/package-lock.json b/package-lock.json
index c819e22e8f28..1145bf0b0e9e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -21690,9 +21690,9 @@
       }
     },
     "node_modules/immutable": {
-      "version": "4.3.0",
-      "resolved": "https://registry.npmjs.org/immutable/-/immutable-4.3.0.tgz",
-      "integrity": "sha512-0AOCmOip+xgJwEVTQj1EfiDDOkPmuyllDuTuEX+DDXUgapLAsBIfkg3sxCYyCEA8mQqZrrxPUGjcOQ2JS3WLkg==",
+      "version": "4.3.6",
+      "resolved": "https://registry.npmjs.org/immutable/-/immutable-4.3.6.tgz",
+      "integrity": "sha512-Ju0+lEMyzMVZarkTn/gqRpdqd5dOPaz1mCZ0SH3JV6iFw81PldE/PEB1hWVEA288HPt4WXW8O7AWxB10M+03QQ==",
       "peer": true
     },
     "node_modules/import-fresh": {
@@ -39817,7 +39817,7 @@
         "draft-js-import-element": "https://github.com/swissspidy/draft-js-import-element",
         "draft-js-import-html": "^1.4.1",
         "draftjs-filters": "^3.0.1",
-        "immutable": "^4.3.0",
+        "immutable": "^4.3.6",
         "prop-types": "^15.7.2"
       },
       "devDependencies": {
diff --git a/packages/rich-text/package.json b/packages/rich-text/package.json
index d1f4a78e31e1..09a73164a1cc 100644
--- a/packages/rich-text/package.json
+++ b/packages/rich-text/package.json
@@ -45,7 +45,7 @@
     "draft-js-import-element": "https://github.com/swissspidy/draft-js-import-element",
     "draft-js-import-html": "^1.4.1",
     "draftjs-filters": "^3.0.1",
-    "immutable": "^4.3.0",
+    "immutable": "^4.3.6",
     "prop-types": "^15.7.2"
   },
   "devDependencies": {