diff --git a/Gemfile.lock b/Gemfile.lock
index 440504aa5e0..05d8b081042 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -744,7 +744,7 @@ GEM
       activesupport (>= 2.3.4)
       chronic (>= 0.6.3)
     wicked_pdf (1.1.0)
-    wkhtmltopdf-binary (0.12.3.1)
+    wkhtmltopdf-binary (0.12.4)
     xml-simple (1.1.5)
     xpath (2.1.0)
       nokogiri (~> 1.3)