diff --git a/02_Windows_App/Perun_v1/Perun_v1.csproj b/02_Windows_App/Perun_v1/Perun_v1.csproj
index ea05f70..420cb0f 100644
--- a/02_Windows_App/Perun_v1/Perun_v1.csproj
+++ b/02_Windows_App/Perun_v1/Perun_v1.csproj
@@ -32,7 +32,7 @@
     <SuiteName>Perun</SuiteName>
     <WebPage>Perun.htm</WebPage>
     <ApplicationRevision>0</ApplicationRevision>
-    <ApplicationVersion>0.11.2.%2a</ApplicationVersion>
+    <ApplicationVersion>0.12.0.%2a</ApplicationVersion>
     <UseApplicationTrust>false</UseApplicationTrust>
     <CreateDesktopShortcut>true</CreateDesktopShortcut>
     <PublishWizardCompleted>true</PublishWizardCompleted>
diff --git a/02_Windows_App/Perun_v1/Properties/AssemblyInfo.cs b/02_Windows_App/Perun_v1/Properties/AssemblyInfo.cs
index 506baa8..2c68d47 100644
--- a/02_Windows_App/Perun_v1/Properties/AssemblyInfo.cs
+++ b/02_Windows_App/Perun_v1/Properties/AssemblyInfo.cs
@@ -33,7 +33,7 @@ using System.Runtime.InteropServices;
 // Możesz określić wszystkie wartości lub użyć domyślnych numerów kompilacji i poprawki
 // przy użyciu symbolu „*”, tak jak pokazano poniżej:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("0.11.2.0")]
-[assembly: AssemblyFileVersion("0.11.2.0")]
+[assembly: AssemblyVersion("0.12.0.0")]
+[assembly: AssemblyFileVersion("0.12.0.0")]
 [assembly: NeutralResourcesLanguage("en")]