diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index f74cdcc..a26cd04 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -19,11 +19,14 @@ set(OVNI_TEST_DIR "${CMAKE_SOURCE_DIR}/test")
 add_executable(flush flush.c)
 target_link_libraries(flush ovni)
 add_test(NAME flush COMMAND "${OVNI_TEST_DIR}/driver.sh" flush)
+set_tests_properties(flush PROPERTIES RUN_SERIAL TRUE)
 
 add_executable(mp-simple mp-simple.c)
 target_link_libraries(mp-simple ovni)
 add_test(NAME mp-simple COMMAND "${OVNI_TEST_DIR}/mp-driver.sh" mp-simple)
+set_tests_properties(mp-simple PROPERTIES RUN_SERIAL TRUE)
 
 add_executable(mp-rank mp-rank.c)
 target_link_libraries(mp-rank ovni)
 add_test(NAME mp-rank COMMAND "${OVNI_TEST_DIR}/mp-driver.sh" mp-rank)
+set_tests_properties(mp-rank PROPERTIES RUN_SERIAL TRUE)