diff --git a/Gemfile.lock b/Gemfile.lock
index d7025b750e55..02d8e57607eb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -20,15 +20,15 @@ GEM
     compass-import-once (1.0.5)
       sass (>= 3.2, < 3.5)
     concurrent-ruby (1.1.7)
-    em-websocket (0.5.1)
+    em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
-      http_parser.rb (~> 0.6.0)
+      http_parser.rb (~> 0)
     eventmachine (1.2.7)
     eventmachine (1.2.7-x64-mingw32)
     ffi (1.13.1)
     ffi (1.13.1-x64-mingw32)
     forwardable-extended (2.6.0)
-    http_parser.rb (0.6.0)
+    http_parser.rb (0.8.0)
     i18n (1.8.5)
       concurrent-ruby (~> 1.0)
     jekyll (4.1.1)