diff --git a/CMakeLists.txt b/CMakeLists.txt
index 17d2c7e..b924a2f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,10 +1,16 @@
-cmake_minimum_required(VERSION 3.20) # TODO: reevaluate min version
-project(tgl LANGUAGES CXX)
+cmake_minimum_required(VERSION 3.19)
+project(tglib LANGUAGES CXX)
 
-add_library(tgl_graphs "${CMAKE_CURRENT_SOURCE_DIR}/graphs.cpp")
-add_library(${PROJECT_NAME}::graphs ALIAS tgl_graphs)
-target_include_directories(tgl_graphs PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
+add_library(tglib_graphs INTERFACE)
+add_library(${PROJECT_NAME}::graphs ALIAS tglib_graphs)
+target_sources(tglib_graphs PUBLIC
+    FILE_SET HEADERS
+    BASE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}
+    FILES graphs.hpp)
 
-add_library(tgl_tables "${CMAKE_CURRENT_SOURCE_DIR}/tables.cpp")
-add_library(${PROJECT_NAME}::tables ALIAS tgl_tables)
-target_include_directories(tgl_tables PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
\ No newline at end of file
+add_library(tglib_tables INTERFACE)
+add_library(${PROJECT_NAME}::tables ALIAS tglib_tables)
+target_sources(tglib_tables PUBLIC
+    FILE_SET HEADERS
+    BASE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}
+    FILES tables.hpp)
\ No newline at end of file