diff --git a/cpp/CHANGELOG.md b/cpp/CHANGELOG.md
index 8d61f970b3..01e065ed07 100644
--- a/cpp/CHANGELOG.md
+++ b/cpp/CHANGELOG.md
@@ -92,6 +92,7 @@ Please mark all change in change log and use the ticket from JIRA.
 - MS-487 - Define metric type in CreateTable
 - MS-488 - Improve code format in scheduler
 - MS-495 - cmake: integrated knowhere
+- MS-505 - Install core unit test
 
 ## New Feature
 - MS-343 - Implement ResourceMgr
diff --git a/cpp/src/core/test/CMakeLists.txt b/cpp/src/core/test/CMakeLists.txt
index ba3f0d65bd..ba1501084c 100644
--- a/cpp/src/core/test/CMakeLists.txt
+++ b/cpp/src/core/test/CMakeLists.txt
@@ -74,6 +74,10 @@ target_link_libraries(test_kdt
         SPTAGLibStatic
         ${depend_libs} ${unittest_libs} ${basic_libs})
 
+install(TARGETS test_ivf DESTINATION unittest)
+install(TARGETS test_idmap DESTINATION unittest)
+install(TARGETS test_kdt DESTINATION unittest)
+
 add_subdirectory(faiss_ori)
 add_subdirectory(test_nsg)
 
diff --git a/cpp/src/core/test/faiss_ori/CMakeLists.txt b/cpp/src/core/test/faiss_ori/CMakeLists.txt
index 2f46d25d40..6cd490aff9 100644
--- a/cpp/src/core/test/faiss_ori/CMakeLists.txt
+++ b/cpp/src/core/test/faiss_ori/CMakeLists.txt
@@ -24,3 +24,5 @@ if(NOT TARGET test_gpu)
     add_executable(test_gpu gpuresource_test.cpp)
 endif()
 target_link_libraries(test_gpu ${depend_libs} ${unittest_libs} ${basic_libs})
+
+install(TARGETS test_gpu DESTINATION unittest)
\ No newline at end of file
diff --git a/cpp/src/core/test/test_nsg/CMakeLists.txt b/cpp/src/core/test/test_nsg/CMakeLists.txt
index 642c1a3d25..9ee8e76525 100644
--- a/cpp/src/core/test/test_nsg/CMakeLists.txt
+++ b/cpp/src/core/test/test_nsg/CMakeLists.txt
@@ -38,4 +38,6 @@ if(NOT TARGET test_nsg)
 endif()
 
 target_link_libraries(test_nsg ${depend_libs} ${unittest_libs} ${basic_libs})
-##############################
\ No newline at end of file
+##############################
+
+install(TARGETS test_nsg DESTINATION unittest)
\ No newline at end of file