diff --git a/Gemfile.lock b/Gemfile.lock
index 91a97697..c997383a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -290,7 +290,7 @@ GEM
       ast (~> 2.4.1)
     path_expander (1.1.1)
     pg (1.4.4)
-    prometheus_exporter (2.0.3)
+    prometheus_exporter (2.0.4)
       webrick
     pry (0.14.1)
       coderay (~> 1.1)