diff --git a/OutlookInspiredApp/DevExpress.DevAV/DevExpress.DevAV.Data/DevExpress.DevAV.Data.csproj b/OutlookInspiredApp/DevExpress.DevAV/DevExpress.DevAV.Data/DevExpress.DevAV.Data.csproj
index 24aabb3..05721a6 100644
--- a/OutlookInspiredApp/DevExpress.DevAV/DevExpress.DevAV.Data/DevExpress.DevAV.Data.csproj
+++ b/OutlookInspiredApp/DevExpress.DevAV/DevExpress.DevAV.Data/DevExpress.DevAV.Data.csproj
@@ -59,7 +59,7 @@
     <EmbeddedResource Include="Resources\Unknown-user.png" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="DevExpress.WindowsDesktop.Core" Version="19.1.3" />
+    <PackageReference Include="DevExpress.WindowsDesktop.Core" Version="19.1.3-ctp" />
     <PackageReference Include="Microsoft.EntityFrameworkCore" Version="3.0.0-preview3.19153.1" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Proxies" Version="3.0.0-preview3.19153.1" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="3.0.0-preview3.19153.1" />
diff --git a/OutlookInspiredApp/DevExpress.DevAV/DevExpress.DevAV.Reports/DevExpress.DevAV.Reports.csproj b/OutlookInspiredApp/DevExpress.DevAV/DevExpress.DevAV.Reports/DevExpress.DevAV.Reports.csproj
index 9a082bb..3a0853e 100644
--- a/OutlookInspiredApp/DevExpress.DevAV/DevExpress.DevAV.Reports/DevExpress.DevAV.Reports.csproj
+++ b/OutlookInspiredApp/DevExpress.DevAV/DevExpress.DevAV.Reports/DevExpress.DevAV.Reports.csproj
@@ -138,8 +138,8 @@
     <EmbeddedResource Include="Sales\SalesInvoice.xltx" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="DevExpress.WindowsDesktop.Core" Version="19.1.3" />
-    <PackageReference Include="DevExpress.WindowsDesktop.Win" Version="19.1.3" />
+    <PackageReference Include="DevExpress.WindowsDesktop.Core" Version="19.1.3-ctp" />
+    <PackageReference Include="DevExpress.WindowsDesktop.Win" Version="19.1.3-ctp" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\DevExpress.DevAV.Data\DevExpress.DevAV.Data.csproj" />
diff --git a/OutlookInspiredApp/DevExpress.OutlookInspiredApp/DevExpress.OutlookInspiredApp.csproj b/OutlookInspiredApp/DevExpress.OutlookInspiredApp/DevExpress.OutlookInspiredApp.csproj
index a847e9a..7309aef 100644
--- a/OutlookInspiredApp/DevExpress.OutlookInspiredApp/DevExpress.OutlookInspiredApp.csproj
+++ b/OutlookInspiredApp/DevExpress.OutlookInspiredApp/DevExpress.OutlookInspiredApp.csproj
@@ -1237,9 +1237,9 @@
     <EmbeddedResource Include="Resources\NewGroup.svg" />
   </ItemGroup>
  <ItemGroup>
-    <PackageReference Include="DevExpress.WindowsDesktop.Core" Version="19.1.3" />
-    <PackageReference Include="DevExpress.WindowsDesktop.Document.Processor" Version="19.1.3" />
-    <PackageReference Include="DevExpress.WindowsDesktop.Win" Version="19.1.3" />
+    <PackageReference Include="DevExpress.WindowsDesktop.Core" Version="19.1.3-ctp" />
+    <PackageReference Include="DevExpress.WindowsDesktop.Document.Processor" Version="19.1.3-ctp" />
+    <PackageReference Include="DevExpress.WindowsDesktop.Win" Version="19.1.3-ctp" />
     <PackageReference Include="Microsoft.EntityFrameworkCore" Version="3.0.0-preview3.19153.1" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Proxies" Version="3.0.0-preview3.19153.1" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="3.0.0-preview3.19153.1" />
diff --git a/StockMarketTraderApp/Devexpress.StockMarketTrader.csproj b/StockMarketTraderApp/Devexpress.StockMarketTrader.csproj
index f7fa1ea..54cbfc2 100644
--- a/StockMarketTraderApp/Devexpress.StockMarketTrader.csproj
+++ b/StockMarketTraderApp/Devexpress.StockMarketTrader.csproj
@@ -8,8 +8,8 @@
   </PropertyGroup>
 
   <ItemGroup>
-      <PackageReference Include="DevExpress.WindowsDesktop.Core" Version="19.1.3" />
-      <PackageReference Include="DevExpress.WindowsDesktop.Win" Version="19.1.3" />
+      <PackageReference Include="DevExpress.WindowsDesktop.Core" Version="19.1.3-ctp" />
+      <PackageReference Include="DevExpress.WindowsDesktop.Win" Version="19.1.3-ctp" />
   </ItemGroup>
 
   <ItemGroup>