diff --git a/contract-tests/client-contract-tests/src/main.cpp b/contract-tests/client-contract-tests/src/main.cpp
index 3c4fc4883..adebae774 100644
--- a/contract-tests/client-contract-tests/src/main.cpp
+++ b/contract-tests/client-contract-tests/src/main.cpp
@@ -46,7 +46,8 @@ int main(int argc, char* argv[]) {
         srv.add_capability("tls:verify-peer");
         srv.add_capability("tls:skip-verify-peer");
         srv.add_capability("tls:custom-ca");
-        
+        srv.add_capability("client-prereq-events");
+
         net::signal_set signals{ioc, SIGINT, SIGTERM};
 
         boost::asio::spawn(ioc.get_executor(), [&](auto yield) mutable {