diff --git a/custom_components/irrigation_unlimited/manifest.json b/custom_components/irrigation_unlimited/manifest.json
index 9a79c80..6dcb30d 100644
--- a/custom_components/irrigation_unlimited/manifest.json
+++ b/custom_components/irrigation_unlimited/manifest.json
@@ -13,5 +13,7 @@
   "codeowners": [
     "@rgc99"
   ],
-  "requirements": []
+  "requirements": [
+    "crontab"
+  ]
 }
\ No newline at end of file