diff --git a/bundles/letsencrypt/metadata.py b/bundles/letsencrypt/metadata.py
index d5b6d1d..a36b58c 100644
--- a/bundles/letsencrypt/metadata.py
+++ b/bundles/letsencrypt/metadata.py
@@ -1,6 +1,11 @@
 defaults = {
     'apt': {
         'packages': {
+            'openssl': {
+                'needed_by': {
+                    'action:letsencrypt_update_certificates',
+                },
+            },
             'dehydrated': {
                 'needed_by': {
                     'action:letsencrypt_update_certificates',