diff --git a/Gemfile b/Gemfile
index 634274c63..42f9a35fd 100644
--- a/Gemfile
+++ b/Gemfile
@@ -29,7 +29,7 @@ gem "rails-html-sanitizer", ">= 1.0.3"
 
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem
 gem 'tzinfo-data', platforms: [:mingw, :x64_mingw, :mswin]
-gem "rbpdf", "~> 1.19.3"
+gem "rbpdf", "~> 1.19.4"
 
 # Optional gem for LDAP authentication
 group :ldap do