diff --git a/src/Makefile b/src/Makefile
index b5c2e7c..550c1ce 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -3,7 +3,7 @@
 
 CFLAGS = -lm -lSDL2_image `sdl2-config --cflags --libs` -lsodium -s
 
-columns: main.c column.c research.c render.c backdrop.c sdl.c events.c
+columns: main.c column.c research.c render.c backdrop.c sdl.c events.c column.h research.h render.h backdrop.c sdl.h events.h
 	$(CC) main.c column.c research.c render.c backdrop.c sdl.c events.c -o columns $(CFLAGS)
 
 clean: