diff --git a/spree_backend.gemspec b/spree_backend.gemspec
index 9c139015c6..2df776510f 100644
--- a/spree_backend.gemspec
+++ b/spree_backend.gemspec
@@ -43,5 +43,5 @@ Gem::Specification.new do |s|
   s.add_dependency 'sass-rails',       '>= 5'
   s.add_dependency 'select2-rails',    '~> 4.0.6'
   s.add_dependency 'sprockets',        '~> 4.0'
-  s.add_dependency 'tinymce-rails',    '~> 5.0'
+  s.add_dependency 'tinymce-rails',    '>= 5', '< 8'
 end