diff --git a/jekyll-theme-simple-texture.gemspec b/jekyll-theme-simple-texture.gemspec
index 13dc3a892..4db150c5d 100644
--- a/jekyll-theme-simple-texture.gemspec
+++ b/jekyll-theme-simple-texture.gemspec
@@ -12,7 +12,7 @@ Gem::Specification.new do |spec|
 
   spec.files         = `git ls-files -z`.split("\x0").select { |f| f.match(%r{^(assets|_layouts|_includes|_sass|LICENSE|README)}i) }
 
-  spec.add_runtime_dependency "jekyll"
+  spec.add_runtime_dependency "jekyll", "~> 0"
   spec.add_runtime_dependency "jekyll-feed", "~> 0.9.3"
   spec.add_runtime_dependency "jekyll-redirect-from", "~> 0.12.1"
   spec.add_runtime_dependency "jekyll-seo-tag", '~> 2.4', '>= 2.4.0'