diff --git a/fog.gemspec b/fog.gemspec
index 9b49ba70a..d9a5e15f2 100644
--- a/fog.gemspec
+++ b/fog.gemspec
@@ -46,7 +46,7 @@ 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("fog-core", "~> 1.26")
+  s.add_dependency("fog-core", "~> 1.25")
   s.add_dependency("fog-json")
   s.add_dependency("fog-xml", "~> 0.1.1")