diff --git a/Gemfile.lock b/Gemfile.lock
old mode 100755
new mode 100644
index cda6a14..d2e7176
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -245,7 +245,7 @@ GEM
       railties (>= 5.0)
     websocket-driver (0.6.5)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.2)
+    websocket-extensions (0.1.5)
     wicked_pdf (1.1.0)
     wkhtmltopdf-binary (0.12.3.1)
     xpath (2.1.0)