diff --git a/csharp/PhoneNumbers.Extensions.Test/PhoneNumbers.Extensions.Test.csproj b/csharp/PhoneNumbers.Extensions.Test/PhoneNumbers.Extensions.Test.csproj
index f52245503..ddeff5392 100644
--- a/csharp/PhoneNumbers.Extensions.Test/PhoneNumbers.Extensions.Test.csproj
+++ b/csharp/PhoneNumbers.Extensions.Test/PhoneNumbers.Extensions.Test.csproj
@@ -21,7 +21,7 @@
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
             <PrivateAssets>all</PrivateAssets>
         </PackageReference>
-        <PackageReference Include="coverlet.collector" Version="6.0.2">
+        <PackageReference Include="coverlet.collector" Version="6.0.3">
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
             <PrivateAssets>all</PrivateAssets>
         </PackageReference>