diff --git a/Gemfile b/Gemfile
index fbdcd59de..fb61fd2ba 100644
--- a/Gemfile
+++ b/Gemfile
@@ -85,8 +85,7 @@ gem 'que-web',       '0.4.0'
 # for importing legacy db
 gem 'activerecord-import', '0.7.0' # for inserting dummy data
 
-# for generating pdf
-gem 'pdfkit', '0.6.2'
+gem 'pdfkit'
 gem 'jquery-ui-rails', '5.0.5'
 gem 'active_model-errors_details' # Backport from Rails 5, https://github.com/rails/rails/pull/18322
 gem 'airbrake'
diff --git a/Gemfile.lock b/Gemfile.lock
index c3a9ab3b2..54531b714 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -270,7 +270,7 @@ GEM
       activerecord (>= 3.0, < 6.0)
       activesupport (>= 3.0, < 6.0)
       request_store (~> 1.1)
-    pdfkit (0.6.2)
+    pdfkit (0.8.4.1)
     pg (0.19.0)
     polyamorous (1.3.1)
       activerecord (>= 3.0)
@@ -483,7 +483,7 @@ DEPENDENCIES
   money-rails
   nokogiri
   paper_trail (~> 4.0)
-  pdfkit (= 0.6.2)
+  pdfkit
   pg (= 0.19.0)
   pry (= 0.10.1)
   puma