diff --git a/Tests/Directory.Build.props b/Tests/Directory.Build.props
index e35e0f52..879010e7 100644
--- a/Tests/Directory.Build.props
+++ b/Tests/Directory.Build.props
@@ -7,7 +7,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="JunitXml.TestLogger" Version="8.0.0"/>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1"/>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.3.0"/>
     <PackageReference Include="Microsoft.TestPlatform.ObjectModel" Version="18.0.1"/>
     <PackageReference Include="Moq" Version="4.20.72"/>
     <PackageReference Include="xunit" Version="2.9.3"/>
diff --git a/Tests/Schema.NET.Test/packages.lock.json b/Tests/Schema.NET.Test/packages.lock.json
index 5d4b483e..924eb78e 100644
--- a/Tests/Schema.NET.Test/packages.lock.json
+++ b/Tests/Schema.NET.Test/packages.lock.json
@@ -16,12 +16,12 @@
       },
       "Microsoft.NET.Test.Sdk": {
         "type": "Direct",
-        "requested": "[18.0.1, )",
-        "resolved": "18.0.1",
-        "contentHash": "WNpu6vI2rA0pXY4r7NKxCN16XRWl5uHu6qjuyVLoDo6oYEggIQefrMjkRuibQHm/NslIUNCcKftvoWAN80MSAg==",
+        "requested": "[18.3.0, )",
+        "resolved": "18.3.0",
+        "contentHash": "xW3kXuWRQtgoxJp4J+gdhHSQyK+6Wb/AZDSd7lMvuMRYlZ1tnpkojyfZlWilB5G4dmZ0Y0ZxU/M23TlubndNkw==",
         "dependencies": {
-          "Microsoft.CodeCoverage": "18.0.1",
-          "Microsoft.TestPlatform.TestHost": "18.0.1"
+          "Microsoft.CodeCoverage": "18.3.0",
+          "Microsoft.TestPlatform.TestHost": "18.3.0"
         }
       },
       "Microsoft.TestPlatform.ObjectModel": {
@@ -72,15 +72,15 @@
       },
       "Microsoft.CodeCoverage": {
         "type": "Transitive",
-        "resolved": "18.0.1",
-        "contentHash": "O+utSr97NAJowIQT/OVp3Lh9QgW/wALVTP4RG1m2AfFP4IyJmJz0ZBmFJUsRQiAPgq6IRC0t8AAzsiPIsaUDEA=="
+        "resolved": "18.3.0",
+        "contentHash": "23BNy/vziREC20Wwhb50K7+kZe0m07KlLWDQv4qjJ9tt3QjpDpDIqJFrhYHmMEo9xDkuSp55U/8h4bMF7MiB+g=="
       },
       "Microsoft.TestPlatform.TestHost": {
         "type": "Transitive",
-        "resolved": "18.0.1",
-        "contentHash": "uDJKAEjFTaa2wHdWlfo6ektyoh+WD4/Eesrwb4FpBFKsLGehhACVnwwTI4qD3FrIlIEPlxdXg3SyrYRIcO+RRQ==",
+        "resolved": "18.3.0",
+        "contentHash": "twmsoelXnp1uWMU3VGip9f0Jr1mZ0PZqgJdF35CIrdYgYrkHIJMV1m8uKyhcdjLdsQDESHAgkR7KhS9i1qpJag==",
         "dependencies": {
-          "Microsoft.TestPlatform.ObjectModel": "18.0.1",
+          "Microsoft.TestPlatform.ObjectModel": "18.3.0",
           "Newtonsoft.Json": "13.0.3"
         }
       },