diff --git a/CHANGELOG.md b/CHANGELOG.md
index e6d4efb..1cffa13 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
 ## unreleased
 
+## 2.4.0
+
 * updated `HikariCP` to `3.1.0`
 
 ## 2.3.0
diff --git a/README.md b/README.md
index 0ee1ab2..7fc00dd 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ A Clojure wrapper to [HikariCP](https://github.com/brettwooldridge/HikariCP) - "
 Add the following dependency to your `project.clj` file:
 
 ```clojure
-[hikari-cp "2.3.0"]
+[hikari-cp "2.4.0"]
 ```
 
 `hikari-cp` version `2.x` targets Clojure `1.9`. Version `1.8.3` is the last release for Clojure `1.8`.
diff --git a/project.clj b/project.clj
index dcfb36c..7bbb989 100644
--- a/project.clj
+++ b/project.clj
@@ -1,4 +1,4 @@
-(defproject hikari-cp "2.3.0"
+(defproject hikari-cp "2.4.0"
   :description "A Clojure wrapper to HikariCP JDBC connection pool"
   :url "https://github.com/tomekw/hikari-cp"
   :license {:name "Eclipse Public License"