diff --git a/LarkatorGUI/LarkatorGUI.csproj b/LarkatorGUI/LarkatorGUI.csproj
index 3d353ea..85a68fd 100644
--- a/LarkatorGUI/LarkatorGUI.csproj
+++ b/LarkatorGUI/LarkatorGUI.csproj
@@ -31,7 +31,7 @@
     <PublisherName>coldino</PublisherName>
     <AutorunEnabled>true</AutorunEnabled>
     <ApplicationRevision>1</ApplicationRevision>
-    <ApplicationVersion>1.8.0.%2a</ApplicationVersion>
+    <ApplicationVersion>1.9.0.%2a</ApplicationVersion>
     <UseApplicationTrust>false</UseApplicationTrust>
     <CreateDesktopShortcut>true</CreateDesktopShortcut>
     <PublishWizardCompleted>true</PublishWizardCompleted>
diff --git a/MapCalibrator/MapCalibrator.csproj b/MapCalibrator/MapCalibrator.csproj
index b1356fc..1a0adc5 100644
--- a/MapCalibrator/MapCalibrator.csproj
+++ b/MapCalibrator/MapCalibrator.csproj
@@ -32,6 +32,7 @@
     <DefineConstants>TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
+    <LangVersion>latest</LangVersion>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="System" />