Version bump

Version bump

diff --git a/CHANGELOG b/CHANGELOG
index 2f56aeb..8e0450a 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,13 +1,18 @@
-0.5.1 - 25-02-2019
+0.5.2 - 01-07-2020
+
+- FEATURE: expanded instrumentation for sidekiq
+- FEATURE: configurable default labels
+
+0.5.1 - 25-02-2020
 
 - FEATURE: Allow configuring the default client's host and port via environment variables
 
-0.5.0 - 14-02-2019
+0.5.0 - 14-02-2020
 
 - Breaking change: listen only to localhost by default to prevent unintended insecure configuration
 - FIX: Avoid calling `hostname` aggressively, instead cache it on the exporter instance
 
-0.4.17 - 13-01-2019
+0.4.17 - 13-01-2020
 
 - FEATURE: add support for `to_h` on all metrics which can be used to query existing key/values
 
diff --git a/lib/prometheus_exporter/version.rb b/lib/prometheus_exporter/version.rb
index ba312c1..70c53ed 100644
--- a/lib/prometheus_exporter/version.rb
+++ b/lib/prometheus_exporter/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module PrometheusExporter
-  VERSION = '0.5.1'
+  VERSION = '0.5.2'
 end

GitHub sha: 8296dcbd