diff --git a/Gemfile.lock b/Gemfile.lock
index 520e53fd0aa..ca0e4e7035f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -91,15 +91,13 @@ GEM
     open4 (1.3.4)
     public_suffix (4.0.6)
     redcarpet (3.5.1)
-    rexml (3.3.6)
-      strscan
+    rexml (3.3.9)
     rouge (2.0.7)
     ruby-macho (2.5.1)
     sassc (2.4.0)
       ffi (~> 1.9)
     sqlite3 (1.7.3)
       mini_portile2 (~> 2.8.0)
-    strscan (3.1.0)
     typhoeus (1.4.0)
       ethon (>= 0.9.0)
     tzinfo (2.0.6)