diff --git a/advanced/dapps/pos-dapp/yarn.lock b/advanced/dapps/pos-dapp/yarn.lock
index b4bea5aef..2167f2e64 100644
--- a/advanced/dapps/pos-dapp/yarn.lock
+++ b/advanced/dapps/pos-dapp/yarn.lock
@@ -2129,9 +2129,9 @@ blakejs@1.2.1:
   integrity sha512-QXUSXI3QVc/gJME0dBpXrag1kbzOqCjCX8/b54ntNyW6sjtoqxqRk3LTmXzaJoh71zMsDCjM+47jS7XiwN/+fQ==
 
 bn.js@^5.2.0, bn.js@^5.2.1:
-  version "5.2.2"
-  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-5.2.2.tgz#82c09f9ebbb17107cd72cb7fd39bd1f9d0aaa566"
-  integrity sha512-v2YAxEmKaBLahNwE1mjp4WON6huMNeuDvagFZW+ASCuA/ku0bXR9hSMw0XpiqMoA3+rmnyck/tPRSFQkoC9Cuw==
+  version "5.2.3"
+  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-5.2.3.tgz#16a9e409616b23fef3ccbedb8d42f13bff80295e"
+  integrity sha512-EAcmnPkxpntVL+DS7bO1zhcZNvCkxqtkd0ZY53h06GNQ3DEkkGZ/gKgmDv6DdZQGj9BgfSPKtJJ7Dp1GPP8f7w==
 
 borsh@^0.7.0:
   version "0.7.0"