diff --git a/.appveyor.yml b/.appveyor.yml
index eca8ebbf..c4d4c002 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -1,4 +1,4 @@
-version: 12.3.{build}
+version: 12.4.{build}
 
 configuration:
   - Release
diff --git a/gpxsee.pro b/gpxsee.pro
index bc26417e..085556d2 100644
--- a/gpxsee.pro
+++ b/gpxsee.pro
@@ -3,7 +3,7 @@ unix:!macx:!android {
 } else {
     TARGET = GPXSee
 }
-VERSION = 12.3
+VERSION = 12.4
 
 QT += core \
     gui \
diff --git a/pkg/windows/gpxsee64.nsi b/pkg/windows/gpxsee64.nsi
index 9d7e20c0..c315b591 100644
--- a/pkg/windows/gpxsee64.nsi
+++ b/pkg/windows/gpxsee64.nsi
@@ -37,7 +37,7 @@ Unicode true
 ; The name of the installer
 Name "GPXSee"
 ; Program version
-!define VERSION "12.3"
+!define VERSION "12.4"
 
 ; The file to write
 OutFile "GPXSee-${VERSION}_x64.exe"