diff --git a/_NETLIFY/netlify-cms-master/packages/netlify-cms-app/package.json b/_NETLIFY/netlify-cms-master/packages/netlify-cms-app/package.json
index 08a20c11d..16b6a75b0 100644
--- a/_NETLIFY/netlify-cms-master/packages/netlify-cms-app/package.json
+++ b/_NETLIFY/netlify-cms-master/packages/netlify-cms-app/package.json
@@ -29,7 +29,7 @@
   "dependencies": {
     "@emotion/core": "^10.0.35",
     "@emotion/styled": "^10.0.27",
-    "immutable": "^3.7.6",
+    "immutable": "^4.3.8",
     "lodash": "^4.17.11",
     "moment": "^2.24.0",
     "netlify-cms-backend-azure": "^1.1.1",
diff --git a/_NETLIFY/netlify-cms-master/packages/netlify-cms-default-exports/package.json b/_NETLIFY/netlify-cms-master/packages/netlify-cms-default-exports/package.json
index 9a9cc972d..9d0a44b51 100644
--- a/_NETLIFY/netlify-cms-master/packages/netlify-cms-default-exports/package.json
+++ b/_NETLIFY/netlify-cms-master/packages/netlify-cms-default-exports/package.json
@@ -22,7 +22,7 @@
   "dependencies": {
     "@emotion/core": "^10.0.35",
     "@emotion/styled": "^10.0.27",
-    "immutable": "^3.7.6",
+    "immutable": "^4.3.8",
     "lodash": "^4.17.11",
     "moment": "^2.24.0",
     "prop-types": "^15.7.2",
diff --git a/_NETLIFY/netlify-cms-master/yarn.lock b/_NETLIFY/netlify-cms-master/yarn.lock
index 4f403aa0c..6a638e799 100644
--- a/_NETLIFY/netlify-cms-master/yarn.lock
+++ b/_NETLIFY/netlify-cms-master/yarn.lock
@@ -9862,10 +9862,10 @@ immer@^8.0.0:
   resolved "https://registry.yarnpkg.com/immer/-/immer-8.0.1.tgz#9c73db683e2b3975c424fb0572af5889877ae656"
   integrity sha512-aqXhGP7//Gui2+UrEtvxZxSquQVXTpZ7KDxfCcKAF3Vysvw0CViVaW9RZ1j1xlIYqaaaipBoqdqeibkc18PNvA==
 
-immutable@^3.7.6:
-  version "3.8.2"
-  resolved "https://registry.yarnpkg.com/immutable/-/immutable-3.8.2.tgz#c2439951455bb39913daf281376f1530e104adf3"
-  integrity sha1-wkOZUUVbs5kT2vKBN28VMOEErfM=
+immutable@^4.3.8:
+  version "4.3.8"
+  resolved "https://registry.yarnpkg.com/immutable/-/immutable-4.3.8.tgz#02d183c7727fb2bb1d5d0380da0d779dce9296a7"
+  integrity sha512-d/Ld9aLbKpNwyl0KiM2CT1WYvkitQ1TSvmRtkcV8FKStiDoA7Slzgjmb/1G2yhKM1p0XeNOieaTbFZmU1d3Xuw==
 
 import-cwd@^2.0.0:
   version "2.1.0"