diff --git a/CMakeLists.txt b/CMakeLists.txt
index ef41b175c..19198de84 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -95,12 +95,47 @@ if(CROW_ENABLE_SSL)
 endif()
 
 if(CROW_AMALGAMATE)
+	set(CROW_AMALGAMATED_HEADERS
+		include/crow.h
+		include/crow/app.h
+		include/crow/ci_map.h
+		include/crow/common.h
+		include/crow/compression.h
+		include/crow/http_connection.h
+		include/crow/http_parser_merged.h
+		include/crow/http_request.h
+		include/crow/http_response.h
+		include/crow/http_server.h
+		include/crow/json.h
+		include/crow/logging.h
+		include/crow/middleware.h
+		include/crow/middleware_context.h
+		include/crow/mime_types.h
+		include/crow/multipart.h
+		include/crow/multipart_view.h
+		include/crow/mustache.h
+		include/crow/parser.h
+		include/crow/query_string.h
+		include/crow/returnable.h
+		include/crow/routing.h
+		include/crow/settings.h
+		include/crow/socket_adaptors.h
+		include/crow/task_timer.h
+		include/crow/utility.h
+		include/crow/version.h
+		include/crow/websocket.h
+		include/crow/middlewares/cookie_parser.h
+		include/crow/middlewares/cors.h
+		include/crow/middlewares/session.h
+		include/crow/middlewares/utf-8.h
+	)
+
 	add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/crow_all.h
 		COMMAND python3 ${CMAKE_CURRENT_SOURCE_DIR}/scripts/merge_all.py
 		${CMAKE_CURRENT_SOURCE_DIR}/include
 		${CMAKE_CURRENT_BINARY_DIR}/crow_all.h
 		WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
-		DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/include/*.h ${CMAKE_CURRENT_SOURCE_DIR}/include/crow/*.h ${CMAKE_CURRENT_SOURCE_DIR}/include/crow/middlewares/*.h
+		DEPENDS ${CROW_AMALGAMATED_HEADERS}
 	)
 
 	add_custom_target(crow_amalgamated ALL DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/crow_all.h)