diff --git a/Gemfile b/Gemfile
index eb01bb362..6ec826bc5 100644
--- a/Gemfile
+++ b/Gemfile
@@ -13,7 +13,7 @@ gem "mail", "~> 2.7.1"
 gem "csv", "~> 3.1.1"
 gem "nokogiri", "~> 1.10.0"
 gem "i18n", "~> 1.6.0"
-gem "rbpdf", "~> 1.19.6"
+gem "rbpdf", "~> 1.20.0"
 
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem
 gem 'tzinfo-data', platforms: [:mingw, :x64_mingw, :mswin]