diff --git a/Gemfile.lock b/Gemfile.lock
index 581489f..438e311 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -238,8 +238,8 @@ GEM
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rexml (3.2.8)
-      strscan (>= 3.0.9)
+    rexml (3.3.6)
+      strscan
     rouge (3.30.0)
     ruby2_keywords (0.0.5)
     rubyzip (2.3.2)
@@ -268,8 +268,6 @@ GEM
     uri (0.13.0)
 
 PLATFORMS
-  ruby
-  x64-mingw32
   x86_64-linux
 
 DEPENDENCIES