diff --git a/ChangeLog b/ChangeLog
index b13b8f3b21..7e83e2d658 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,4 @@
-### 3.9.1dev <- NOTE: the release version number will be 3.10.0 ###
+### 3.10.0rc1 <- NOTE: the release version number will be 3.10.0 ###
 
 - Client: Added SRV-based virtual hosting support (#2930).
   (contributed by @hoffie)
diff --git a/Jamulus.pro b/Jamulus.pro
index ebaac64a35..c877aaff78 100644
--- a/Jamulus.pro
+++ b/Jamulus.pro
@@ -1,4 +1,4 @@
-VERSION = 3.9.1dev
+VERSION = 3.10.0rc1
 
 # use target name which does not use a capital letter at the beginning
 contains(CONFIG, "noupcasename") {