diff --git a/Gemfile.lock b/Gemfile.lock
index 121507b065..0cdc9da81c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -369,7 +369,7 @@ GEM
     jsonapi-serializer (2.2.0)
       activesupport (>= 4.2)
     jwt (2.7.0)
-    knapsack_pro (3.8.0)
+    knapsack_pro (3.9.0)
       rake
     launchy (2.5.0)
       addressable (~> 2.7)