Gemfile in scholarmarkdown-2.3.0 vs Gemfile in scholarmarkdown-2.4.0

@@ -9,9 +9,10 @@
 gem 'bibmarkdown', '~> 2.0.0'
 
 # math
 gem 'katex'
 gem 'sskatex'
+gem 'kramdown-math-sskatex'
 gem 'execjs'
 gem 'therubyracer' # embedded V8 JavaScript engine
 
 group :development do
   # management of this gem