diff --git a/Gemfile.lock b/Gemfile.lock
index 743a463bdc..22b28b48e6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -478,7 +478,7 @@ GEM
       xml-simple
     paypal-sdk-merchant (1.117.2)
       paypal-sdk-core (~> 0.3.0)
-    pdf-reader (2.11.0)
+    pdf-reader (2.12.0)
       Ascii85 (~> 1.0)
       afm (~> 0.2.1)
       hashery (~> 2.0)