diff --git a/patternfly-sass.gemspec b/patternfly-sass.gemspec
index 457d308063..d3beb309f6 100644
--- a/patternfly-sass.gemspec
+++ b/patternfly-sass.gemspec
@@ -12,7 +12,7 @@ Gem::Specification.new do |s|
   s.license  = 'Apache-2.0'
 
   s.add_runtime_dependency 'sass', '~> 3.4.15'
-  s.add_runtime_dependency 'bootstrap-sass', '~> 3.3.7'
+  s.add_runtime_dependency 'bootstrap-sass', '~> 3.4.0'
   s.add_runtime_dependency 'font-awesome-sass', '~> 4.6.2'
 
   s.files = [