diff --git a/Gemfile.lock b/Gemfile.lock
index 692cd04..629c902 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -213,7 +213,7 @@ GEM
       railties (>= 5.0)
     websocket-driver (0.7.0)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.3)
+    websocket-extensions (0.1.5)
     wicked_pdf (1.2.2)
       activesupport
     wkhtmltopdf-binary (0.12.4)