diff --git a/ChangeLog b/ChangeLog
index 25013674bd..6e8cb00f8a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,5 @@
 
-### 3.8.2dev <- NOTE: the release version number will be 3.9.0 ###
+### 3.9.0 (2022-07-29)
 
 - Feature: Added **_EXPERIMENTAL_** new JSON-RPC interface to control client and server (see [docs/JSON-RPC.md](https://github.com/jamulussoftware/jamulus/blob/master/docs/JSON-RPC.md) for details) (#1975, #2505).
   (contributed by @dtinth, @Rob-NY)
diff --git a/Jamulus.pro b/Jamulus.pro
index d660b7c46a..4fc3c45328 100644
--- a/Jamulus.pro
+++ b/Jamulus.pro
@@ -1,4 +1,4 @@
-VERSION = 3.8.2dev
+VERSION = 3.9.0
 
 # use target name which does not use a capital letter at the beginning
 contains(CONFIG, "noupcasename") {