diff --git a/data_structures/stk/CMakeLists.txt b/data_structures/stk/CMakeLists.txt
index c348ca853..30149ec06 100644
--- a/data_structures/stk/CMakeLists.txt
+++ b/data_structures/stk/CMakeLists.txt
@@ -1,11 +1,15 @@
+add_library(libstack OBJECT stack.h stack.cpp)
 add_executable( stack 
-    stack.cpp 
     main.cpp 
 )
-add_executable( test_stack 
-    stack.cpp 
+target_link_libraries(stack PUBLIC libstack)
+# set_target_properties(stack PROPERTIES LINKER_LANGUAGE CXX)
+
+add_executable( test_stack  
     test_stack.cpp 
 )
+target_link_libraries(test_stack PUBLIC libstack)
+
 install(TARGETS stack DESTINATION "bin/data_structures")
 install(TARGETS test_stack DESTINATION "bin/data_structures")
 install(FILES students.txt DESTINATION "bin/data_structures")