diff --git a/_code-samples/build-a-browser-wallet/js/yarn.lock b/_code-samples/build-a-browser-wallet/js/yarn.lock
index dbc583c2dd..e45ffa38aa 100644
--- a/_code-samples/build-a-browser-wallet/js/yarn.lock
+++ b/_code-samples/build-a-browser-wallet/js/yarn.lock
@@ -830,12 +830,13 @@ set-function-length@^1.2.2:
     has-property-descriptors "^1.0.2"
 
 sha.js@^2.4.0, sha.js@^2.4.11, sha.js@^2.4.8:
-  version "2.4.11"
-  resolved "https://registry.yarnpkg.com/sha.js/-/sha.js-2.4.11.tgz#37a5cf0b81ecbc6943de109ba2960d1b26584ae7"
-  integrity sha512-QMEp5B7cftE7APOjk5Y6xgrbWu+WkLVQwk8JNjZ8nKRciZaByEW6MubieAiToS7+dwvrjGhH8jRXz3MVd0AYqQ==
+  version "2.4.12"
+  resolved "https://registry.yarnpkg.com/sha.js/-/sha.js-2.4.12.tgz#eb8b568bf383dfd1867a32c3f2b74eb52bdbf23f"
+  integrity sha512-8LzC5+bvI45BjpfXU8V5fdU2mfeKiQe1D1gIMn7XUlF3OTUrpdJpPPH4EMAnF0DsHHdSZqCdSss5qCmJKuiO3w==
   dependencies:
-    inherits "^2.0.1"
-    safe-buffer "^5.0.1"
+    inherits "^2.0.4"
+    safe-buffer "^5.2.1"
+    to-buffer "^1.2.0"
 
 source-map-js@^1.2.1:
   version "1.2.1"