diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index f611a3eee..bbea9cc8c 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -88,13 +88,11 @@ GEM
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rexml (3.3.6)
-      strscan
+    rexml (3.3.9)
     rouge (3.30.0)
     safe_yaml (1.0.5)
     sassc (2.4.0)
       ffi (~> 1.9)
-    strscan (3.1.0)
     terminal-table (2.0.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
     tzinfo (2.0.6)