diff --git a/NAPS2.Console/Properties/AssemblyInfo.cs b/NAPS2.Console/Properties/AssemblyInfo.cs
index a05cc0132d..fb72ace3d7 100644
--- a/NAPS2.Console/Properties/AssemblyInfo.cs
+++ b/NAPS2.Console/Properties/AssemblyInfo.cs
@@ -48,5 +48,5 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 //      Build Number
 //      Revision
 //
-[assembly: AssemblyVersion("4.1.1.*")]
+[assembly: AssemblyVersion("4.2.0.*")]
 [assembly: AssemblyFileVersion("1.0.0.0")]
diff --git a/NAPS2.Core/Properties/AssemblyInfo.cs b/NAPS2.Core/Properties/AssemblyInfo.cs
index 3b1cc257db..16018e4e32 100644
--- a/NAPS2.Core/Properties/AssemblyInfo.cs
+++ b/NAPS2.Core/Properties/AssemblyInfo.cs
@@ -30,6 +30,6 @@
 //
 // You can specify all the values or you can default the Build and Revision Numbers 
 // by using the '*' as shown below:
-// [assembly: AssemblyVersion("4.1.1.*")]
-[assembly: AssemblyVersion("4.1.1.*")]
+// [assembly: AssemblyVersion("4.2.0.*")]
+[assembly: AssemblyVersion("4.2.0.*")]
 [assembly: AssemblyFileVersion("1.0.0.0")]
diff --git a/NAPS2.Setup/NAPS2.Setup.wxs b/NAPS2.Setup/NAPS2.Setup.wxs
index aa2c9c14cf..eea24eff95 100644
--- a/NAPS2.Setup/NAPS2.Setup.wxs
+++ b/NAPS2.Setup/NAPS2.Setup.wxs
@@ -4,7 +4,7 @@
       Id="*"
       Name="NAPS2"
       Language="1033"
-      Version="4.1.1"
+      Version="4.2.0"
       Manufacturer="Ben Olden-Cooligan"
       UpgradeCode="FEB82971-B3E6-4F19-9684-1D543E644D73">
     <Package InstallerVersion="200" Compressed="yes" InstallScope="perMachine" />
diff --git a/NAPS2/Properties/AssemblyInfo.cs b/NAPS2/Properties/AssemblyInfo.cs
index 43c34867ac..0730c69d49 100644
--- a/NAPS2/Properties/AssemblyInfo.cs
+++ b/NAPS2/Properties/AssemblyInfo.cs
@@ -52,5 +52,5 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 //      Build Number
 //      Revision
 //
-[assembly: AssemblyVersion("4.1.1.*")]
+[assembly: AssemblyVersion("4.2.0.*")]
 [assembly: AssemblyFileVersion("1.0.0.0")]
diff --git a/NAPS2/Setup/setup.iss b/NAPS2/Setup/setup.iss
index 961e224563..e983b3d35c 100644
--- a/NAPS2/Setup/setup.iss
+++ b/NAPS2/Setup/setup.iss
@@ -1,7 +1,7 @@
 ; Script generated by the Inno Setup Script Wizard.
 ; SEE THE DOCUMENTATION FOR DETAILS ON CREATING INNO SETUP SCRIPT FILES!
 
-#define AppVersion "4.1.1"
+#define AppVersion "4.2.0"
 
 [Setup]
 AppName=NAPS2 (Not Another PDF Scanner 2)