diff --git a/CMakeLists.txt b/CMakeLists.txt
index 17dd33363..8c1ea82c9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,6 +11,9 @@ set(MODEL_DIR
 set(CORE_DIR
     "${CMAKE_CURRENT_SOURCE_DIR}/core"
     CACHE PATH "Path to core")
+set(DEPENDENT_DLLS
+    ""
+    CACHE INTERNAL "Dependent DLLs of core.dll")
 
 set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 
diff --git a/core/CMakeLists.txt b/core/CMakeLists.txt
index a91d86253..bd8d97412 100644
--- a/core/CMakeLists.txt
+++ b/core/CMakeLists.txt
@@ -27,6 +27,7 @@ message("core will be installed to: ${CMAKE_INSTALL_PREFIX}")
 
 file(GLOB_RECURSE core_sources "src/*.cpp")
 # coreライブラリのビルド設定
+set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
 add_library(core
 		SHARED ${core_sources}
 		${EMBED_YUKARIN_S_OUTPUTS}
@@ -51,6 +52,9 @@ if(NOT DIRECTML)
 		"${ONNXRUNTIME_DIR}/lib/*.lib"
 		"${ONNXRUNTIME_DIR}/lib/*.so"
 		"${ONNXRUNTIME_DIR}/lib/*.so.*")
+	file(GLOB ONNXRUNTIME_DLLS
+		"${ONNXRUNTIME_DIR}/lib/*.dll")
+	set(DEPENDENT_DLLS "${DEPENDENT_DLLS};${ONNXRUNTIME_DLLS}" PARENT_SCOPE)
 	target_include_directories(core
 		PRIVATE ${ONNXRUNTIME_DIR}/include)
 	target_link_directories(core PUBLIC ${ONNXRUNTIME_DIR}/lib)
@@ -79,6 +83,9 @@ else()
 		file(GLOB DIRECTML_LIBS
 		"${DIRECTML_DIR}/bin/${DML_ARCH}-win/*.dll"
 		"${DIRECTML_DIR}/bin/${DML_ARCH}-win/*.lib")
+		file(GLOB DIRECTML_DLLS
+		"${DIRECTML_DIR}/bin/${DML_ARCH}-win/*.dll")
+		set(DEPENDENT_DLLS "${DEPENDENT_DLLS};${DIRECTML_DLLS}" PARENT_SCOPE)
 
 		target_include_directories(core PRIVATE ${DIRECTML_DIR}/include)
 		target_link_directories(core PUBLIC ${DIRECTML_DIR}/bin/${DML_ARCH}-win/)
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index db512192b..1e013a3df 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -19,6 +19,12 @@ target_include_directories(unit_test PRIVATE ${Catch2_SOURCE_DIR}/src)
 target_include_directories(unit_test PRIVATE ${CORE_DIR}/src)
 target_link_libraries(unit_test PRIVATE Catch2::Catch2WithMain)
 target_link_libraries(unit_test PRIVATE core)
+if (WIN32)
+  add_custom_command(TARGET unit_test POST_BUILD
+    COMMAND ${CMAKE_COMMAND} -E copy_if_different
+    "$<TARGET_FILE:core>;${DEPENDENT_DLLS}" $<TARGET_FILE_DIR:unit_test>
+    COMMAND_EXPAND_LISTS )
+endif (WIN32)
 list(APPEND CMAKE_MODULE_PATH ${Catch2_SOURCE_DIR}/extras)
 include(Catch)
 include(CTest)