diff --git a/Gemfile.lock b/Gemfile.lock
index 293fb78..d6fb512 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -69,7 +69,7 @@ GEM
       http-cookie (>= 1.0.2, < 2.0)
       mime-types (>= 1.16, < 4.0)
       netrc (~> 0.8)
-    rexml (3.3.3)
+    rexml (3.3.6)
       strscan
     rqrcode (2.2.0)
       chunky_png (~> 1.0)