diff --git a/Gemfile.lock b/Gemfile.lock
index 6c43a36c..240d4688 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -312,7 +312,7 @@ GEM
       dachsfisch (~> 1.0.0)
       nokogiri (>= 1.10.2, < 2.0.0)
       rubyzip (>= 1.2.2, < 3.0.0)
-    prometheus_exporter (2.1.0)
+    prometheus_exporter (2.1.1)
       webrick
     pry (0.14.2)
       coderay (~> 1.1)