diff --git a/esphome/cat-medication-tracker.yaml b/esphome/cat-medication-tracker.yaml
index 49069e8..a513964 100644
--- a/esphome/cat-medication-tracker.yaml
+++ b/esphome/cat-medication-tracker.yaml
@@ -5,6 +5,9 @@ substitutions:
 esphome:
   name: ${name}
   friendly_name: ${friendly_name}
+  platformio_options:
+    build_flags:
+      - "-include SPI.h"
   on_boot:
     - priority: 100
       then: