diff --git a/Gemfile.lock b/Gemfile.lock
index ad047ca..32cc2c0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -116,13 +116,11 @@ GEM
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     redcarpet (3.6.0)
-    rexml (3.3.6)
-      strscan
+    rexml (3.3.9)
     rouge (3.30.0)
     sassc (2.4.0)
       ffi (~> 1.9)
     servolux (0.13.0)
-    strscan (3.1.0)
     temple (0.10.3)
     terser (1.2.4)
       execjs (>= 0.3.0, < 3)