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-rw-r--r--zbatery.gemspec2
1 files changed, 1 insertions, 1 deletions
diff --git a/zbatery.gemspec b/zbatery.gemspec
index 00510ea..131a115 100644
--- a/zbatery.gemspec
+++ b/zbatery.gemspec
@@ -49,7 +49,7 @@ Gem::Specification.new do |s|
   #   eventmachine
   #   espace-neverblock + eventmachine
   #   async_sinatra + sinatra + eventmachine
-  s.add_dependency(%q<rainbows>, ["~> 0.8.0"])
+  s.add_dependency(%q<rainbows>, [">= 0.8.0", "<= 1.0.0"])
 
   # s.licenses = %w(GPLv2 Ruby) # accessor not compatible with older RubyGems
 end