diff --git a/ChangeLog b/ChangeLog
index 99f2ea5c60..d2d7eaeacb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,6 @@
+### 3.10.0dev <- NOTE: the release version number will be 3.10.1 ###
+
+
 ### 3.10.0 (2023-09-03) ###
 
 - Build: Mac: Keep the signing-related keychain unlocked (#2927).
diff --git a/Jamulus.pro b/Jamulus.pro
index cd616708ee..a6f00b48ea 100644
--- a/Jamulus.pro
+++ b/Jamulus.pro
@@ -1,4 +1,4 @@
-VERSION = 3.10.0
+VERSION = 3.10.0dev
 
 # use target name which does not use a capital letter at the beginning
 contains(CONFIG, "noupcasename") {