diff --git a/prometheus-client/CHANGELOG.md b/prometheus-client/CHANGELOG.md
index d8e5a7b..6d0f9bd 100644
--- a/prometheus-client/CHANGELOG.md
+++ b/prometheus-client/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## HEAD
 
+## 1.1.1 -- 2023-08-01
+
+- Support `mtl-2.3`
+
 ## 1.1.0 -- 2021-08-26
 
 - Replaced Summary implementation with `data-sketches` which should result in
diff --git a/prometheus-client/prometheus-client.cabal b/prometheus-client/prometheus-client.cabal
index 30d4e02..c016b0a 100644
--- a/prometheus-client/prometheus-client.cabal
+++ b/prometheus-client/prometheus-client.cabal
@@ -1,5 +1,5 @@
 name:                prometheus-client
-version:             1.1.0
+version:             1.1.1
 synopsis:            Haskell client library for http://prometheus.io.
 description:         Haskell client library for http://prometheus.io.
 homepage:            https://github.com/fimad/prometheus-haskell