diff --git a/FireworkRNSDKSample/Gemfile.lock b/FireworkRNSDKSample/Gemfile.lock
index f456f07..d62f167 100644
--- a/FireworkRNSDKSample/Gemfile.lock
+++ b/FireworkRNSDKSample/Gemfile.lock
@@ -89,7 +89,7 @@ GEM
     netrc (0.11.0)
     nkf (0.2.0)
     public_suffix (4.0.7)
-    rexml (3.4.1)
+    rexml (3.4.2)
     ruby-macho (2.5.1)
     securerandom (0.4.1)
     typhoeus (1.4.1)