diff --git a/Gemfile b/Gemfile
index 9d35a50..98472ce 100644
--- a/Gemfile
+++ b/Gemfile
@@ -29,7 +29,7 @@ gem 'jbuilder', '~> 2.5'
 gem 'kaminari'
 gem 'bootstrap4-kaminari-views'
 gem 'wicked_pdf'
-gem 'wkhtmltopdf-binary'
+gem 'wkhtmltopdf-binary', '0.12.4'
 gem 'friendly_id', '~> 5.4.0'
 gem 'combine_pdf'
 # Use ActiveStorage variant