diff --git a/online-banking/Gemfile.lock b/online-banking/Gemfile.lock
index a81e876..3fbf3a2 100644
--- a/online-banking/Gemfile.lock
+++ b/online-banking/Gemfile.lock
@@ -199,7 +199,7 @@ GEM
       railties (>= 5.0)
     websocket-driver (0.6.5)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.2)
+    websocket-extensions (0.1.5)
     xpath (2.1.0)
       nokogiri (~> 1.3)