diff --git a/B3ClientService.Web/B3ClientService.Web.csproj b/B3ClientService.Web/B3ClientService.Web.csproj
index 412914c..4f58425 100644
--- a/B3ClientService.Web/B3ClientService.Web.csproj
+++ b/B3ClientService.Web/B3ClientService.Web.csproj
@@ -9,8 +9,9 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>BWP.Web</RootNamespace>
     <AssemblyName>B3ClientService.Web</AssemblyName>
-    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
+    <TargetFrameworkProfile />
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
diff --git a/B3ClientService/B3ClientService.csproj b/B3ClientService/B3ClientService.csproj
index bda2397..62b6918 100644
--- a/B3ClientService/B3ClientService.csproj
+++ b/B3ClientService/B3ClientService.csproj
@@ -9,8 +9,9 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>BWP.B3ClientService</RootNamespace>
     <AssemblyName>B3ClientService</AssemblyName>
-    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
+    <TargetFrameworkProfile />
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>