diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index 782fdd8..5e5e39c 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -57,8 +57,8 @@ GEM
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rexml (3.2.8)
-      strscan (>= 3.0.9)
+    rexml (3.3.2)
+      strscan
     rouge (4.1.2)
     safe_yaml (1.0.5)
     sass-embedded (1.64.1-x86_64-linux-gnu)