diff --git a/PythonNet.App.Web.Tests/PythonNet.App.Web.Tests.csproj b/PythonNet.App.Web.Tests/PythonNet.App.Web.Tests.csproj
index 9ab3c29..42157f1 100644
--- a/PythonNet.App.Web.Tests/PythonNet.App.Web.Tests.csproj
+++ b/PythonNet.App.Web.Tests/PythonNet.App.Web.Tests.csproj
@@ -16,7 +16,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.9.0" />
     <PackageReference Include="xunit" Version="2.9.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />
   </ItemGroup>
diff --git a/PythonNet.App.Web.Tests/packages.lock.json b/PythonNet.App.Web.Tests/packages.lock.json
index 69fb49c..4fe1420 100644
--- a/PythonNet.App.Web.Tests/packages.lock.json
+++ b/PythonNet.App.Web.Tests/packages.lock.json
@@ -4,12 +4,12 @@
     "net9.0": {
       "Microsoft.NET.Test.Sdk": {
         "type": "Direct",
-        "requested": "[17.11.1, )",
-        "resolved": "17.11.1",
-        "contentHash": "U3Ty4BaGoEu+T2bwSko9tWqWUOU16WzSFkq6U8zve75oRBMSLTBdMAZrVNNz1Tq12aCdDom9fcOcM9QZaFHqFg==",
+        "requested": "[18.9.0, )",
+        "resolved": "18.9.0",
+        "contentHash": "xIzVXa/VpKXqDWzyC/5Hw8JbFY5u9k3Jc53CpcjBiOXvkQGio484LD9FNwOiGUSMDcYL3Rcw9sNgGi5WrswlPQ==",
         "dependencies": {
-          "Microsoft.CodeCoverage": "17.11.1",
-          "Microsoft.TestPlatform.TestHost": "17.11.1"
+          "Microsoft.CodeCoverage": "18.9.0",
+          "Microsoft.TestPlatform.TestHost": "18.9.0"
         }
       },
       "xunit": {
@@ -47,8 +47,8 @@
       },
       "Microsoft.CodeCoverage": {
         "type": "Transitive",
-        "resolved": "17.11.1",
-        "contentHash": "nPJqrcA5iX+Y0kqoT3a+pD/8lrW/V7ayqnEJQsTonSoPz59J8bmoQhcSN4G8+UJ64Hkuf0zuxnfuj2lkHOq4cA=="
+        "resolved": "18.9.0",
+        "contentHash": "MtegCIKGuG0r/LCdIjoR1HgzCGIUBhR3aNdbtQpts5vMXQuqBDZ2Jsd2uFKoHFM2XrQV6ZrDf3F5oLi3SLTp8w=="
       },
       "Microsoft.Extensions.Configuration": {
         "type": "Transitive",
@@ -330,26 +330,17 @@
       },
       "Microsoft.TestPlatform.ObjectModel": {
         "type": "Transitive",
-        "resolved": "17.11.1",
-        "contentHash": "E2jZqAU6JeWEVsyOEOrSW1o1bpHLgb25ypvKNB/moBXPVsFYBPd/Jwi7OrYahG50J83LfHzezYI+GaEkpAotiA==",
-        "dependencies": {
-          "System.Reflection.Metadata": "1.6.0"
-        }
+        "resolved": "18.9.0",
+        "contentHash": "Fz/qXC52VXXopzHj7v2reCKcCqSxkTDCkEDfkNAH0vni/7qK/KLMiEYtRmnUanxO2F2g2zZZ60qCpxF0AF7URA=="
       },
       "Microsoft.TestPlatform.TestHost": {
         "type": "Transitive",
-        "resolved": "17.11.1",
-        "contentHash": "DnG+GOqJXO/CkoqlJWeDFTgPhqD/V6VqUIL3vINizCWZ3X+HshCtbbyDdSHQQEjrc2Sl/K3yaxX6s+5LFEdYuw==",
+        "resolved": "18.9.0",
+        "contentHash": "Oq+Pma/J86aZL72t71bcESvDszDsTjUfl6PIsuDdPoKTHZfNMhKamCfLD5fKx51W/u0KozXtJo2/3fnt0sgPxg==",
         "dependencies": {
-          "Microsoft.TestPlatform.ObjectModel": "17.11.1",
-          "Newtonsoft.Json": "13.0.1"
+          "Microsoft.TestPlatform.ObjectModel": "18.9.0"
         }
       },
-      "Newtonsoft.Json": {
-        "type": "Transitive",
-        "resolved": "13.0.1",
-        "contentHash": "ppPFpBcvxdsfUonNcvITKqLl3bqxWbDCZIzDWHzjpdAHRFfZe0Dw9HmA0+za13IdyrgJwpkDTDA9fHaxOrt20A=="
-      },
       "System.Diagnostics.EventLog": {
         "type": "Transitive",
         "resolved": "9.0.7",
@@ -360,11 +351,6 @@
         "resolved": "9.0.7",
         "contentHash": "/Rpy1cFv8G0ONh8dxmsX0bmWyZ1lrde+T8Occ+N6bDTNFr+E6wWaC/ImI2zW9Mt6Bo2fzuEcRc7J5ke5t97TYQ=="
       },
-      "System.Reflection.Metadata": {
-        "type": "Transitive",
-        "resolved": "1.6.0",
-        "contentHash": "COC1aiAJjCoA5GBF+QKL2uLqEBew4JsCkQmoHKbN3TlOZKa2fKLz5CpiRQKDz0RsAOEGsVKqOD5bomsXq/4STQ=="
-      },
       "xunit.abstractions": {
         "type": "Transitive",
         "resolved": "2.0.3",