diff --git a/Gemfile.lock b/Gemfile.lock
index 3da1595b7..203af9d79 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -15,15 +15,13 @@ GEM
       base64 (>= 0.1.0)
       rack (~> 2.2, >= 2.2.4)
     rack-ssl-enforcer (0.2.9)
-    rexml (3.3.2)
-      strscan
+    rexml (3.3.8)
     ruby2_keywords (0.0.5)
     sinatra (3.2.0)
       mustermann (~> 3.0)
       rack (~> 2.2, >= 2.2.4)
       rack-protection (= 3.2.0)
       tilt (~> 2.0)
-    strscan (3.1.0)
     thin (1.8.2)
       daemons (~> 1.0, >= 1.0.9)
       eventmachine (~> 1.0, >= 1.0.4)