diff --git a/yarn.lock b/yarn.lock
index f787290..d349609 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -251,9 +251,9 @@ glob-parent@~5.1.2:
     is-glob "^4.0.1"
 
 immutable@^4.0.0:
-  version "4.3.0"
-  resolved "https://registry.npmmirror.com/immutable/-/immutable-4.3.0.tgz#eb1738f14ffb39fd068b1dbe1296117484dd34be"
-  integrity sha512-0AOCmOip+xgJwEVTQj1EfiDDOkPmuyllDuTuEX+DDXUgapLAsBIfkg3sxCYyCEA8mQqZrrxPUGjcOQ2JS3WLkg==
+  version "4.3.8"
+  resolved "https://registry.yarnpkg.com/immutable/-/immutable-4.3.8.tgz#02d183c7727fb2bb1d5d0380da0d779dce9296a7"
+  integrity sha512-d/Ld9aLbKpNwyl0KiM2CT1WYvkitQ1TSvmRtkcV8FKStiDoA7Slzgjmb/1G2yhKM1p0XeNOieaTbFZmU1d3Xuw==
 
 is-binary-path@~2.1.0:
   version "2.1.0"