diff --git a/src/Application/CodeArchitects.Platform.Application.csproj b/src/Application/CodeArchitects.Platform.Application.csproj
index 8b6201c..a128b32 100644
--- a/src/Application/CodeArchitects.Platform.Application.csproj
+++ b/src/Application/CodeArchitects.Platform.Application.csproj
@@ -15,6 +15,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Identity.Web" Version="3.9.0" />
+    <PackageReference Include="System.Security.Cryptography.Xml" Version="9.0.18" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/tests/Application.UnitTests/CodeArchitects.Platform.Application.UnitTests.csproj b/tests/Application.UnitTests/CodeArchitects.Platform.Application.UnitTests.csproj
index 56b7e0e..63a1420 100644
--- a/tests/Application.UnitTests/CodeArchitects.Platform.Application.UnitTests.csproj
+++ b/tests/Application.UnitTests/CodeArchitects.Platform.Application.UnitTests.csproj
@@ -13,10 +13,10 @@
   <!-- Pin patched System.Security.Cryptography.Xml over the vulnerable transitive versions
        (GHSA-37gx-xxp4-5rgx, GHSA-w3x6-4m5h-cxqf). -->
   <ItemGroup Condition="'$(TargetFramework)' == 'net8.0'">
-    <PackageReference Include="System.Security.Cryptography.Xml" Version="8.0.3" />
+    <PackageReference Include="System.Security.Cryptography.Xml" Version="9.0.18" />
   </ItemGroup>
   <ItemGroup Condition="'$(TargetFramework)' == 'net9.0'">
-    <PackageReference Include="System.Security.Cryptography.Xml" Version="9.0.17" />
+    <PackageReference Include="System.Security.Cryptography.Xml" Version="9.0.18" />
   </ItemGroup>
   <ItemGroup Condition="'$(TargetFramework)' == 'net10.0'">
     <PackageReference Include="System.Security.Cryptography.Xml" Version="10.0.9" />