diff --git a/Gemfile b/Gemfile
index a1e081f6..52d9c21f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -134,7 +134,7 @@ gem 'country_select'
 
 # as PDF generator
 gem 'prawn-qrcode'
-gem 'prawn_rails'
+gem 'prawn-rails'
 gem 'rqrcode'
 
 # to render XLS spreadsheets
diff --git a/Gemfile.lock b/Gemfile.lock
index 032fd182..af20b5d9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -364,9 +364,12 @@ GEM
     prawn-qrcode (0.3.1)
       prawn (>= 1)
       rqrcode (>= 0.4.1)
-    prawn_rails (0.0.11)
-      prawn (>= 0.11.1)
-      railties (>= 3.0.0)
+    prawn-rails (1.2.0)
+      prawn
+      prawn-table
+      rails (>= 3.1.0)
+    prawn-table (0.2.2)
+      prawn (>= 1.3.0, < 3.0.0)
     pry (0.10.4)
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
@@ -669,7 +672,7 @@ DEPENDENCIES
   pg
   piwik_analytics (~> 1.0.1)
   prawn-qrcode
-  prawn_rails
+  prawn-rails
   puma (~> 3.0)
   rails (~> 5.0.7)
   rails-assets-bootstrap-markdown!