diff --git a/src/TestProject/TestProject.csproj b/src/TestProject/TestProject.csproj
index 86c05e0..fc3ba0a 100644
--- a/src/TestProject/TestProject.csproj
+++ b/src/TestProject/TestProject.csproj
@@ -31,7 +31,7 @@
             <PrivateAssets>all</PrivateAssets>
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
-        <PackageReference Include="Microsoft.CodeCoverage" Version="18.3.0" />
+        <PackageReference Include="Microsoft.CodeCoverage" Version="18.4.0" />
         <PackageReference Include="MSTest.TestAdapter" Version="4.1.0" />
         <PackageReference Include="MSTest.TestFramework" Version="4.1.0" />
         <PackageReference Include="coverlet.collector" Version="8.0.1">
diff --git a/src/TestProject/packages.lock.json b/src/TestProject/packages.lock.json
index 8fee23c..ce1c033 100644
--- a/src/TestProject/packages.lock.json
+++ b/src/TestProject/packages.lock.json
@@ -16,9 +16,9 @@
       },
       "Microsoft.CodeCoverage": {
         "type": "Direct",
-        "requested": "[18.3.0, )",
-        "resolved": "18.3.0",
-        "contentHash": "23BNy/vziREC20Wwhb50K7+kZe0m07KlLWDQv4qjJ9tt3QjpDpDIqJFrhYHmMEo9xDkuSp55U/8h4bMF7MiB+g=="
+        "requested": "[18.4.0, )",
+        "resolved": "18.4.0",
+        "contentHash": "9O0BtCfzCWrkAmK187ugKdq72HHOXoOUjuWFDVc2LsZZ0pOnA9bTt+Sg9q4cF+MoAaUU+MuWtvBuFsnduviJow=="
       },
       "Microsoft.NET.Test.Sdk": {
         "type": "Direct",