diff --git a/server_rails/Gemfile.lock b/server_rails/Gemfile.lock
index 07fffb6..f7f973c 100644
--- a/server_rails/Gemfile.lock
+++ b/server_rails/Gemfile.lock
@@ -64,11 +64,13 @@ 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)
       mini_portile2 (~> 2.4.0)
-    rack (2.0.7)
+    rack (2.0.8)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.2.3)
@@ -112,6 +114,7 @@ GEM
     websocket-extensions (0.1.3)
 
 PLATFORMS
+  ruby
   x64-mingw32
   x86-mingw32