diff --git a/fog.gemspec b/fog.gemspec
index 5a08f9300..c89345ca3 100644
--- a/fog.gemspec
+++ b/fog.gemspec
@@ -37,7 +37,7 @@ Gem::Specification.new do |s|
   ## List your runtime dependencies here. Runtime dependencies are those
   ## that are needed for an end user to actually USE your code.
   s.add_dependency('builder')
-  s.add_dependency('excon', '~>0.12.0')
+  s.add_dependency('excon', '~>0.13.0')
   s.add_dependency('formatador', '~>0.2.0')
   s.add_dependency('multi_json', '~>1.0')
   s.add_dependency('mime-types')