diff --git a/Gemfile.lock b/Gemfile.lock
index a7b037d38..2127ad873 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -375,8 +375,7 @@ GEM
     responders (3.1.1)
       actionpack (>= 5.2)
       railties (>= 5.2)
-    rexml (3.3.6)
-      strscan
+    rexml (3.3.9)
     rspec (3.13.0)
       rspec-core (~> 3.13.0)
       rspec-expectations (~> 3.13.0)
@@ -455,7 +454,6 @@ GEM
       net-scp (>= 1.1.2)
       net-sftp (>= 2.1.2)
       net-ssh (>= 2.8.0)
-    strscan (3.1.0)
     temple (0.10.3)
     thor (1.3.1)
     tilt (2.3.0)