diff --git a/Gemfile b/Gemfile
index 1630608ff..8849e900c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -57,7 +57,7 @@ gem "turbolinks", "~> 5.2.1"
 gem "turnout", "~> 2.4.0"
 gem "uglifier", "~> 4.1.2"
 gem "whenever", "~> 0.10.0", require: false
-gem "wicked_pdf", "~> 1.1.0"
+gem "wicked_pdf", "~> 2.1.0"
 gem "wkhtmltopdf-binary", "~> 0.12.4"
 
 source "https://rails-assets.org" do
diff --git a/Gemfile.lock b/Gemfile.lock
index 42d618abc..93a74ddce 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -605,7 +605,8 @@ GEM
     websocket-extensions (0.1.5)
     whenever (0.10.0)
       chronic (>= 0.6.3)
-    wicked_pdf (1.1.0)
+    wicked_pdf (2.1.0)
+      activesupport
     wkhtmltopdf-binary (0.12.4)
     xpath (3.2.0)
       nokogiri (~> 1.8)
@@ -705,7 +706,7 @@ DEPENDENCIES
   web-console (~> 3.3.0)
   webdrivers (~> 4.3.0)
   whenever (~> 0.10.0)
-  wicked_pdf (~> 1.1.0)
+  wicked_pdf (~> 2.1.0)
   wkhtmltopdf-binary (~> 0.12.4)
 
 BUNDLED WITH