diff --git a/Gemfile.lock b/Gemfile.lock
index 4992a2b82..2b4c7aff4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -486,7 +486,7 @@ GEM
     parser (3.3.0.5)
       ast (~> 2.4.1)
       racc
-    plek (5.0.0)
+    plek (5.1.0)
     poltergeist (1.18.1)
       capybara (>= 2.1, < 4)
       cliver (~> 0.3.1)