diff --git a/samples/ASP.NETCore/WebApplication/WebApplication.csproj b/samples/ASP.NETCore/WebApplication/WebApplication.csproj
index 1209cd48..c1846165 100644
--- a/samples/ASP.NETCore/WebApplication/WebApplication.csproj
+++ b/samples/ASP.NETCore/WebApplication/WebApplication.csproj
@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="ConfigCat.Client" Version="3.1.23" />
+    <PackageReference Include="ConfigCat.Client" Version="5.0.39" />
     <PackageReference Include="Microsoft.AspNetCore.All" Version="2.2.7" />
     <PackageReference Include="Microsoft.IdentityModel.Clients.ActiveDirectory" Version="5.2.4" />
     <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="3.0.0" />
diff --git a/samples/ConsoleApp/ConsoleApp.csproj b/samples/ConsoleApp/ConsoleApp.csproj
index ea4a4e1c..3a38ddea 100644
--- a/samples/ConsoleApp/ConsoleApp.csproj
+++ b/samples/ConsoleApp/ConsoleApp.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="ConfigCat.Client" Version="3.1.23" />
+    <PackageReference Include="ConfigCat.Client" Version="5.0.39" />
   </ItemGroup>
 
 </Project>