diff --git a/Gemfile.lock b/Gemfile.lock
index 7bf442dc..7812aeb2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -185,7 +185,7 @@ GEM
     omniauth-oauth2 (1.6.0)
       oauth2 (~> 1.1)
       omniauth (~> 1.9)
-    pdfkit (0.8.4.1)
+    pdfkit (0.8.7.2)
     pg (0.21.0)
     public_suffix (4.0.6)
     puma (4.3.9)