diff --git a/Source/Gemfile.lock b/Source/Gemfile.lock
index 226c9a4..2ab33b4 100644
--- a/Source/Gemfile.lock
+++ b/Source/Gemfile.lock
@@ -104,7 +104,7 @@ GEM
     open4 (1.3.4)
     public_suffix (4.0.7)
     redcarpet (3.6.1)
-    rexml (3.4.1)
+    rexml (3.4.2)
     rouge (4.5.2)
     ruby-macho (2.5.1)
     sassc (2.4.0)