diff --git a/Gemfile b/Gemfile
index f12826cc..6deb806b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -133,7 +133,7 @@ gem 'gravtastic'
 gem 'country_select'
 
 # as PDF generator
-gem 'prawn-qrcode', '~> 0.3.0'
+gem 'prawn-qrcode'
 gem 'prawn_rails'
 gem 'rqrcode'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index fe913a87..350486b9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -668,7 +668,7 @@ DEPENDENCIES
   pdf-inspector
   pg
   piwik_analytics (~> 1.0.1)
-  prawn-qrcode (~> 0.3.0)
+  prawn-qrcode
   prawn_rails
   puma (~> 3.0)
   rails (~> 5.0.7)