diff --git a/wai-middleware-prometheus/CHANGELOG.md b/wai-middleware-prometheus/CHANGELOG.md
index 22656fb..963a4c2 100644
--- a/wai-middleware-prometheus/CHANGELOG.md
+++ b/wai-middleware-prometheus/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Change Log
 
+## 1.0.1.0
+
+- Add `instrumentHandlerValueWithHistogramAndFilter` API which allows specifying
+  a specific histogram to log latencies to.
+
 ## 1.0.0.1
 
 - Increase allowed prometheus-client version ranges.
diff --git a/wai-middleware-prometheus/wai-middleware-prometheus.cabal b/wai-middleware-prometheus/wai-middleware-prometheus.cabal
index 5e2a635..c368e17 100644
--- a/wai-middleware-prometheus/wai-middleware-prometheus.cabal
+++ b/wai-middleware-prometheus/wai-middleware-prometheus.cabal
@@ -1,5 +1,5 @@
 name:                wai-middleware-prometheus
-version:             1.0.0.1
+version:             1.0.1.0
 synopsis:
     WAI middlware for exposing http://prometheus.io metrics.
 description: