diff --git a/Gemfile.lock b/Gemfile.lock
index e292933..47ccbcd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -81,8 +81,8 @@ GEM
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rexml (3.2.8)
-      strscan (>= 3.0.9)
+    rexml (3.3.3)
+      strscan
     rouge (4.1.1)
     ruby2_keywords (0.0.5)
     safe_yaml (1.0.5)