diff --git a/Gemfile.lock b/Gemfile.lock
index d125f9e..6d94417 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -221,8 +221,8 @@ GEM
     responders (3.1.0)
       actionpack (>= 5.2)
       railties (>= 5.2)
-    rexml (3.2.8)
-      strscan (>= 3.0.9)
+    rexml (3.3.2)
+      strscan
     rss (0.2.9)
       rexml
     ruby-vips (2.1.4)