diff --git a/Modules/REST/test/CMakeLists.txt b/Modules/REST/test/CMakeLists.txt
index e42e23ad3f..6ef5502dff 100644
--- a/Modules/REST/test/CMakeLists.txt
+++ b/Modules/REST/test/CMakeLists.txt
@@ -1,2 +1,2 @@
 mitk_create_module_tests()
-set_tests_properties(mitkRESTClientTest mitkRESTServerTest PROPERTIES RUN_SERIAL TRUE)
+set_tests_properties(mitkRESTClientTest mitkRESTServerTest mitkRESTClientHttpLibTest mitkRESTServerHttpLibTest PROPERTIES RUN_SERIAL TRUE)