diff --git a/CHANGELOG.md b/CHANGELOG.md
index 848c0f4..53e781e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-## 3.1.0 [unreleased]
+## 3.1.0 [2024-03-01]
 
 ### Bug Fixes
 1. [#134](https://github.com/influxdata/influxdb-client-ruby/pull/134): Support influxdb v1.8 HTTP error response message. Prior to this change, in case of an HTTP error response (influxDB v1.8) the InfluxError had empty message.
diff --git a/README.md b/README.md
index a66a060..aa843dc 100644
--- a/README.md
+++ b/README.md
@@ -64,13 +64,13 @@ The client can be installed manually or with bundler.
 To install the client gem manually:
 
 ```
-gem install influxdb-client -v 3.0.0
+gem install influxdb-client -v 3.1.0
 ```
 
 For management API:
 
 ```
-gem install influxdb-client-apis -v 3.0.0
+gem install influxdb-client-apis -v 3.1.0
 ```
 
 ## Usage