diff --git a/scripts/_common.sh b/scripts/_common.sh
index c6e7e5a..b8c5f97 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -12,7 +12,7 @@ ynh_delete_file_checksum () {
 	ynh_app_setting_delete $app $checksum_setting_name
 }
 
-extra_pkg_dependencies="php7.1-zip php7.1-mysql php7.1-xml php7.1-intl php7.1-mbstring php7.1-gd php7.1-curl php7.1-soap php7.1-pgsql php7.1-xmlrpc postgresql"
+extra_pkg_dependencies="php7.1-zip php7.1-mysql php7.1-xml php7.1-intl php7.1-mbstring php7.1-gd php7.1-curl php7.1-soap php7.1-pgsql php7.1-xmlrpc"
 
 # Send an email to inform the administrator
 #