diff --git a/NatTypeTester.Models/NatTypeTester.Models.csproj b/NatTypeTester.Models/NatTypeTester.Models.csproj
index 782efe1ec5..992c2a7567 100644
--- a/NatTypeTester.Models/NatTypeTester.Models.csproj
+++ b/NatTypeTester.Models/NatTypeTester.Models.csproj
@@ -3,7 +3,7 @@
   <Import Project="..\common.props" />
 
   <ItemGroup>
-    <PackageReference Include="ReactiveUI" Version="17.1.9" />
+    <PackageReference Include="ReactiveUI" Version="17.1.17" />
     <PackageReference Include="Volo.Abp.Core" Version="5.0.1" />
   </ItemGroup>
 
diff --git a/NatTypeTester.ViewModels/NatTypeTester.ViewModels.csproj b/NatTypeTester.ViewModels/NatTypeTester.ViewModels.csproj
index bc3d342b3b..76aecfcbdc 100644
--- a/NatTypeTester.ViewModels/NatTypeTester.ViewModels.csproj
+++ b/NatTypeTester.ViewModels/NatTypeTester.ViewModels.csproj
@@ -4,7 +4,7 @@
 
   <ItemGroup>
     <PackageReference Include="Dns.Net.Abstractions" Version="0.1.0" />
-    <PackageReference Include="ReactiveUI" Version="17.1.9" />
+    <PackageReference Include="ReactiveUI" Version="17.1.17" />
     <PackageReference Include="Volo.Abp.Core" Version="5.0.1" />
   </ItemGroup>