diff --git a/yarn.lock b/yarn.lock
index eb2055e..9f248e7 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -132,9 +132,9 @@ detect-libc@^2.0.3:
   integrity sha512-Btj2BOOO83o3WyH59e8MgXsxEQVcarkUOpEYrubB0urwnN10yQ364rsiByU11nZlqWYZm05i/of7io4mzihBtQ==
 
 immutable@^5.1.5:
-  version "5.1.5"
-  resolved "https://registry.yarnpkg.com/immutable/-/immutable-5.1.5.tgz#93ee4db5c2a9ab42a4a783069f3c5d8847d40165"
-  integrity sha512-t7xcm2siw+hlUM68I+UEOK+z84RzmN59as9DZ7P1l0994DKUWV7UXBMQZVxaoMSRQ+PBZbHCOoBt7a2wxOMt+A==
+  version "5.1.9"
+  resolved "https://registry.yarnpkg.com/immutable/-/immutable-5.1.9.tgz#ac23c3a01992ab665e14ac9ffff298f28cd74a0c"
+  integrity sha512-m8nVez3rwrgmWxtLMt1ZYXB2Lv7OKYn/disyxAlSDYAlKSlFoPPfIAmAM/M5xqL4m4C/wAPw7S2/CNaUii1Hxg==
 
 is-extglob@^2.1.1:
   version "2.1.1"