diff --git a/Gemfile.lock b/Gemfile.lock
index cfdf831ea..1bf3ca950 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -494,7 +494,7 @@ GEM
       racc
     parslet (2.0.0)
     pg (1.5.6)
-    plek (5.0.0)
+    plek (5.1.0)
     prometheus_exporter (2.1.0)
       webrick
     pry (0.14.1)