diff --git a/overcommit.gemspec b/overcommit.gemspec
index caaa8499..1bb8adaa 100644
--- a/overcommit.gemspec
+++ b/overcommit.gemspec
@@ -33,5 +33,5 @@ Gem::Specification.new do |s|
 
   s.add_dependency          'childprocess', '>= 0.6.3', '< 6'
   s.add_dependency          'iniparse', '~> 1.4'
-  s.add_dependency          'rexml', '>= 3.3.9'
+  s.add_dependency          'rexml', '>= 3.4.2'
 end