diff --git a/Gemfile.lock b/Gemfile.lock
index 6908931d..8c198fdf 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -309,7 +309,7 @@ GEM
       ast (~> 2.4.1)
     path_expander (1.1.0)
     pg (1.3.3)
-    prometheus_exporter (1.0.1)
+    prometheus_exporter (2.0.0)
       webrick
     pry (0.13.1)
       coderay (~> 1.1)