diff --git a/AppCast/Gemfile.lock b/AppCast/Gemfile.lock
index dafd74c3a..31a9605bb 100644
--- a/AppCast/Gemfile.lock
+++ b/AppCast/Gemfile.lock
@@ -58,7 +58,8 @@ GEM
     rb-fsevent (0.10.4)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rexml (3.2.5)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rouge (3.26.0)
     ruby2_keywords (0.0.2)
     safe_yaml (1.0.5)
@@ -70,6 +71,7 @@ GEM
     sawyer (0.8.2)
       addressable (>= 2.3.5)
       faraday (> 0.8, < 2.0)
+    strscan (3.1.0)
     thread_safe (0.3.6)
     tzinfo (1.2.10)
       thread_safe (~> 0.1)