Bump version

Bump version

diff --git a/CHANGELOG b/CHANGELOG
index 96d1032..7c2cb4f 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,7 @@
+0.4.13 - 09-07-2019
+
+- Fix: Memory leak in unicorn and puma collectors
+
 0.4.12 - 30-05-2019
 
 - Fix: unicorn collector reporting incorrect number of unicorn workers
diff --git a/lib/prometheus_exporter/version.rb b/lib/prometheus_exporter/version.rb
index 0f75359..b446e47 100644
--- a/lib/prometheus_exporter/version.rb
+++ b/lib/prometheus_exporter/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module PrometheusExporter
-  VERSION = "0.4.12"
+  VERSION = "0.4.13"
 end

GitHub sha: 92496a15

Would you please create a tag for this version? Thanks.

Yes, sorry about that. It is done.