diff --git a/bundles/letsencrypt/metadata.py b/bundles/letsencrypt/metadata.py
index d735ccb..d5b6d1d 100644
--- a/bundles/letsencrypt/metadata.py
+++ b/bundles/letsencrypt/metadata.py
@@ -1,7 +1,11 @@
 defaults = {
     'apt': {
         'packages': {
-            'dehydrated': {},
+            'dehydrated': {
+                'needed_by': {
+                    'action:letsencrypt_update_certificates',
+                },
+            },
         },
     },
     'cron': {
@@ -10,7 +14,11 @@ defaults = {
     },
     'pacman': {
         'packages': {
-            'dehydrated': {},
+            'dehydrated': {
+                'needed_by': {
+                    'action:letsencrypt_update_certificates',
+                },
+            },
         },
     },
 }