diff --git a/server_rails/Gemfile.lock b/server_rails/Gemfile.lock
index 07fffb6..0e45e29 100644
--- a/server_rails/Gemfile.lock
+++ b/server_rails/Gemfile.lock
@@ -64,6 +64,8 @@ GEM
     mini_portile2 (2.4.0)
     minitest (5.11.3)
     nio4r (2.3.1)
+    nokogiri (1.10.2)
+      mini_portile2 (~> 2.4.0)
     nokogiri (1.10.2-x64-mingw32)
       mini_portile2 (~> 2.4.0)
     nokogiri (1.10.2-x86-mingw32)
@@ -109,9 +111,10 @@ GEM
       thread_safe (~> 0.1)
     websocket-driver (0.7.0)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.3)
+    websocket-extensions (0.1.5)
 
 PLATFORMS
+  ruby
   x64-mingw32
   x86-mingw32