diff --git a/Gemfile.lock b/Gemfile.lock
index 308b303..a4f730c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -486,7 +486,8 @@ GEM
     regexp_parser (2.8.2)
     reline (0.3.9)
       io-console (~> 0.5)
-    rexml (3.2.6)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rmagick (5.3.0)
       pkg-config (~> 1.4)
     rspec-expectations (3.12.3)
@@ -578,6 +579,7 @@ GEM
       net-scp (>= 1.1.2)
       net-ssh (>= 2.8.0)
     ssrf_filter (1.1.2)
+    strscan (3.1.0)
     sys-uname (1.2.3)
       ffi (~> 1.1)
     thor (1.3.0)