diff --git a/yarn.lock b/yarn.lock
index 1b76836..1d8317c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1857,9 +1857,9 @@ bluebird@^3.5.0, bluebird@^3.5.5:
   integrity sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg==
 
 bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.1.1, bn.js@^4.4.0:
-  version "4.11.8"
-  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.8.tgz#2cde09eb5ee341f484746bb0309b3253b1b1442f"
-  integrity sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA==
+  version "4.12.5"
+  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.12.5.tgz#74f119ffecd823168d188eae06d97ea40835c489"
+  integrity sha512-3aRg6/JxfffFD+OlOjOFR3Vo79l39ooBTFucxx+MT3dhCtzn3EmiUPQo+6/OZuI2jbXi3YKgmiTFBgChQMwIRQ==
 
 boolbase@^1.0.0, boolbase@~1.0.0:
   version "1.0.0"