diff --git a/src/SmokeTest.Server/SmokeTest.Server.csproj b/src/SmokeTest.Server/SmokeTest.Server.csproj
index f00b444c0..8cd9b0263 100644
--- a/src/SmokeTest.Server/SmokeTest.Server.csproj
+++ b/src/SmokeTest.Server/SmokeTest.Server.csproj
@@ -14,7 +14,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="NServiceBus.CustomChecks" Version="3.0.1" />
+    <PackageReference Include="NServiceBus.CustomChecks" Version="4.0.1" />
     <PackageReference Include="NServiceBus.Heartbeat" Version="3.0.1" />
   </ItemGroup>