diff --git a/reflect/IKVM.Reflection.csproj b/reflect/IKVM.Reflection.csproj
index 48dcee7e..568fec8a 100644
--- a/reflect/IKVM.Reflection.csproj
+++ b/reflect/IKVM.Reflection.csproj
@@ -10,7 +10,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>IKVM.Reflection</RootNamespace>
     <AssemblyName>IKVM.Reflection</AssemblyName>
-    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <TargetFrameworkSubset>
     </TargetFrameworkSubset>