diff --git a/CMakeLists.txt b/CMakeLists.txt
index b4a5362..c08b90e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -50,6 +50,7 @@ target_link_libraries(sint-gauntlet
         hardware_timer
         hardware_clocks
         hardware_pwm
+        hardware_adc
         )
 
 pico_add_extra_outputs(sint-gauntlet)