Upgrade prometheus-client-mmap to 0.9.7

This removes a warning message when prometheus_multiproc_dir is not set.

1 files changed, 1 insertions, 1 deletions

diff --git a/Gemfile b/Gemfile
index b1750afec91..359eccb2171 100644
--- a/Gemfile
+++ b/Gemfile
@@ -309,7 +309,7 @@ group :metrics do
   gem 'influxdb', '~> 0.2', require: false
 
   # Prometheus
-  gem 'prometheus-client-mmap', '~> 0.9.6'
+  gem 'prometheus-client-mmap', '~> 0.9.7'
   gem 'raindrops', '~> 0.18'
 end