diff --git a/tests/TBC.OpenAPI.SDK.OnlineInstallments.Tests/TBC.OpenAPI.SDK.OnlineInstallments.Tests.csproj b/tests/TBC.OpenAPI.SDK.OnlineInstallments.Tests/TBC.OpenAPI.SDK.OnlineInstallments.Tests.csproj
index f7b9269..cb1bd78 100644
--- a/tests/TBC.OpenAPI.SDK.OnlineInstallments.Tests/TBC.OpenAPI.SDK.OnlineInstallments.Tests.csproj
+++ b/tests/TBC.OpenAPI.SDK.OnlineInstallments.Tests/TBC.OpenAPI.SDK.OnlineInstallments.Tests.csproj
@@ -11,7 +11,7 @@
     <PackageReference Include="FluentAssertions" Version="6.7.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.11.0" />
     <PackageReference Include="Moq" Version="4.18.1" />
-    <PackageReference Include="WireMock.Net" Version="1.5.0" />
+    <PackageReference Include="WireMock.Net" Version="1.5.18" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>