diff --git a/modoboa_installer/database.py b/modoboa_installer/database.py
index 41b79df..7be3e53 100644
--- a/modoboa_installer/database.py
+++ b/modoboa_installer/database.py
@@ -147,7 +147,7 @@ class MySQL(Database):
     """MySQL backend."""
 
     packages = {
-        "deb": ["mariadb-server"],
+        "deb": ["mariadb-server", "libmysqlclient-dev"],
         "rpm": ["mariadb", "mariadb-devel", "mariadb-server"],
     }
     service = "mariadb"
diff --git a/modoboa_installer/scripts/postwhite.py b/modoboa_installer/scripts/postwhite.py
index 239d2d3..039bd11 100644
--- a/modoboa_installer/scripts/postwhite.py
+++ b/modoboa_installer/scripts/postwhite.py
@@ -20,6 +20,7 @@ class Postwhite(base.Installer):
     ]
     no_daemon = True
     packages = {
+        "deb": ["bind9-host"],
         "rpm": ["bind-utils"]
     }
 
diff --git a/modoboa_installer/ssl.py b/modoboa_installer/ssl.py
index 8df9b30..a0cd4d0 100644
--- a/modoboa_installer/ssl.py
+++ b/modoboa_installer/ssl.py
@@ -92,6 +92,12 @@ class LetsEncryptCertificate(CertificateBackend):
         else:
             utils.printcolor("Failed to install certbot, aborting.", utils.RED)
             sys.exit(1)
+        #Nginx plugin certbot
+        if (self.config.has_option("nginx", "enabled") and
+            self.config.getboolean("nginx", "enabled")):
+            package.backend.update()
+            package.backend.install("python3-certbot-nginx")
+            
 
     def generate_cert(self):
         """Create a certificate."""