diff --git a/yarn.lock b/yarn.lock
index f6ccc07..8b64c13 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -135,9 +135,9 @@ handlebars@4.7.7:
     uglify-js "^3.1.4"
 
 immutable@^4.0.0:
-  version "4.2.4"
-  resolved "https://registry.yarnpkg.com/immutable/-/immutable-4.2.4.tgz#83260d50889526b4b531a5e293709a77f7c55a2a"
-  integrity sha512-WDxL3Hheb1JkRN3sQkyujNlL/xRjAo3rJtaU5xeufUauG66JdMr32bLj4gF+vWl84DIA3Zxw7tiAjneYzRRw+w==
+  version "4.3.8"
+  resolved "https://registry.yarnpkg.com/immutable/-/immutable-4.3.8.tgz#02d183c7727fb2bb1d5d0380da0d779dce9296a7"
+  integrity sha512-d/Ld9aLbKpNwyl0KiM2CT1WYvkitQ1TSvmRtkcV8FKStiDoA7Slzgjmb/1G2yhKM1p0XeNOieaTbFZmU1d3Xuw==
 
 inflight@^1.0.4:
   version "1.0.6"