diff --git a/ragnar.gemspec b/ragnar.gemspec
index 84ab561..8516206 100644
--- a/ragnar.gemspec
+++ b/ragnar.gemspec
@@ -30,7 +30,7 @@ Gem::Specification.new do |spec|
 
   # Runtime dependencies
   spec.add_dependency "thor", "~> 1.3"
-  spec.add_dependency "red-candle", "~> 1.2.3"
+  spec.add_dependency "red-candle", ">= 1.2.3", "< 1.4.0"
   spec.add_dependency "lancelot", "~> 0.3", ">= 0.3.3"
   spec.add_dependency "topical", "~> 0.1.0", ">= 0.1.1"
   spec.add_dependency "baran", "~> 0.2"