diff --git a/src/migrations/0023_postgresql_11_to_13.py b/src/migrations/0023_postgresql_11_to_13.py
index 145f15558..8f03f8c5f 100644
--- a/src/migrations/0023_postgresql_11_to_13.py
+++ b/src/migrations/0023_postgresql_11_to_13.py
@@ -1,4 +1,5 @@
 import subprocess
+import time
 
 from moulinette import m18n
 from yunohost.utils.error import YunohostError, YunohostValidationError
@@ -42,9 +43,11 @@ class MyMigration(Migration):
             )
 
         self.runcmd("systemctl stop postgresql")
+        time.sleep(3)
         self.runcmd(
             "LC_ALL=C pg_dropcluster --stop 13 main || true"
         )  # We do not trigger an exception if the command fails because that probably means cluster 13 doesn't exists, which is fine because it's created during the pg_upgradecluster)
+        time.sleep(3)
         self.runcmd("LC_ALL=C pg_upgradecluster -m upgrade 11 main")
         self.runcmd("LC_ALL=C pg_dropcluster --stop 11 main")
         self.runcmd("systemctl start postgresql")