diff --git a/Gemfile.lock b/Gemfile.lock
index 486da97..1404caf 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -15,7 +15,7 @@ GEM
     parallel (1.19.2)
     parser (2.7.1.4)
       ast (~> 2.4.1)
-    pdfkit (0.8.4.3.1)
+    pdfkit (0.8.7.2)
     rack (2.2.3)
     rack-protection (2.0.8.1)
       rack