diff --git a/peripherals/sevenseg.c b/peripherals/sevenseg.c
index 6925559..16ef97c 100644
--- a/peripherals/sevenseg.c
+++ b/peripherals/sevenseg.c
@@ -3,8 +3,10 @@
 //
 
 #include "sevenseg.h"
+#include "stdlib.h"
 
 #include <SDL2/SDL_render.h>
+#include <stdio.h>
 
 void render_segment(SDL_Renderer *renderer, SevenSegment *display) {
     int seg_width = display->rect->w / 4;
diff --git a/peripherals/switches.c b/peripherals/switches.c
index 5e46b7b..22261fd 100644
--- a/peripherals/switches.c
+++ b/peripherals/switches.c
@@ -3,6 +3,8 @@
 //
 
 #include "switches.h"
+#include <stdlib.h>
+#include <stdio.h>
 
 void generate_switch_rects(Switches *switches) {
     int switch_width = switches->rect->w / 4;
diff --git a/peripherals/switches.h b/peripherals/switches.h
index 70753c5..96ea995 100644
--- a/peripherals/switches.h
+++ b/peripherals/switches.h
@@ -7,6 +7,7 @@
 
 #include <SDL_rect.h>
 #include <SDL_render.h>
+#include <stdlib.h>
 
 typedef struct {
     uint16_t value;