diff --git a/Gemfile b/Gemfile
index adbda1af..0285c974 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,4 +8,4 @@ gem 'asciidoctor', '2.0.23'
 
 # https://github.com/pygments/pygments.rb/releases
 # https://github.com/pygments/pygments/releases
-gem 'pygments.rb', '3.0'
+gem 'pygments.rb', git: 'https://github.com/nikitabobko/pygments.rb.git', ref: '1a4e502ee49c3fd93dae4abb171fea49f9d52561'