diff --git a/.appveyor.yml b/.appveyor.yml
index 77092147..9557fb44 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -1,4 +1,4 @@
-version: 5.0.{build}
+version: 5.1.{build}
 configuration: Release
 platform: Any CPU
 environment:
diff --git a/gpxsee.pro b/gpxsee.pro
index 79677cdf..de545b9a 100644
--- a/gpxsee.pro
+++ b/gpxsee.pro
@@ -1,5 +1,5 @@
 TARGET = GPXSee
-VERSION = 5.0
+VERSION = 5.1
 QT += core \
     gui \
     network
diff --git a/pkg/gpxsee.nsi b/pkg/gpxsee.nsi
index fbfad153..d0d09570 100644
--- a/pkg/gpxsee.nsi
+++ b/pkg/gpxsee.nsi
@@ -5,7 +5,7 @@
 ; The name of the installer
 Name "GPXSee"
 ; Program version
-!define VERSION "5.0"
+!define VERSION "5.1"
 
 ; The file to write
 OutFile "GPXSee-${VERSION}.exe"
diff --git a/pkg/gpxsee64.nsi b/pkg/gpxsee64.nsi
index 28e77748..244b1c08 100644
--- a/pkg/gpxsee64.nsi
+++ b/pkg/gpxsee64.nsi
@@ -5,7 +5,7 @@
 ; The name of the installer
 Name "GPXSee"
 ; Program version
-!define VERSION "5.0"
+!define VERSION "5.1"
 
 ; The file to write
 OutFile "GPXSee-${VERSION}_x64.exe"