diff --git a/manifest.json b/manifest.json
index 42fd680..71daed1 100644
--- a/manifest.json
+++ b/manifest.json
@@ -7,7 +7,7 @@
         "fr": "Un forum de nouvelle génération, simplement.",
         "de": "Forum der nächsten Generation leicht gemacht."
     },
-    "version": "0.1.0.16~ynh4",
+    "version": "0.1.0.16~ynh5",
     "url": "http://flarum.org/",
     "upstream": {
         "license": "MIT",
diff --git a/scripts/install b/scripts/install
index 5289f0f..8bfc12c 100644
--- a/scripts/install
+++ b/scripts/install
@@ -172,15 +172,15 @@ ynh_mysql_connect_as --user=$app --password="$db_pwd" --database=$db_name < ../c
 case $language in
   fr)
     ynh_script_progression --message="Installing French extension..." --weight=2
-    ynh_exec_warn_less ynh_composer_exec --phpversion=$phpversion --workdir=$final_path --commands=\"require qiaeru/lang-french\"
+    ynh_exec_warn_less ynh_composer_exec --phpversion=$phpversion --workdir=$final_path --commands=\"require qiaeru/lang-french:1.10\"
     activate_flarum_extension $db_name "qiaeru-lang-french"
     sql_command="UPDATE \`settings\` SET \`value\` = 'fr' WHERE \`settings\`.\`key\` = 'default_locale'"
     ynh_mysql_execute_as_root --sql="$sql_command" --database=$db_name
     ;;
   de)
     ynh_script_progression --message="Installing German extension..." --weight=2
-    ynh_exec_warn_less ynh_composer_exec --phpversion=$phpversion --workdir=$final_path --commands=\"require cbmainz/flarum-de\"
-    activate_flarum_extension $db_name "cbmainz-de"
+    ynh_exec_warn_less ynh_composer_exec --phpversion=$phpversion --workdir=$final_path --commands=\"require kakifrucht/flarum-de:0.14.3\"
+    activate_flarum_extension $db_name "kakifrucht-de"
     sql_command="UPDATE \`settings\` SET \`value\` = 'de' WHERE \`settings\`.\`key\` = 'default_locale'"
     ynh_mysql_execute_as_root --sql="$sql_command" --database=$db_name
     ;;
diff --git a/scripts/upgrade b/scripts/upgrade
index e61817b..b9b2bdf 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -210,19 +210,20 @@ fi
 case $language in
   fr)
     ynh_script_progression --message="Installing French extension..." --weight=2
-    ynh_exec_warn_less ynh_composer_exec --phpversion=$phpversion --workdir=$final_path --commands=\"require qiaeru/lang-french\"
+    ynh_exec_warn_less ynh_composer_exec --phpversion=$phpversion --workdir=$final_path --commands=\"require qiaeru/lang-french:1.10\"
     activate_flarum_extension $db_name "qiaeru-lang-french"
     sql_command="UPDATE \`settings\` SET \`value\` = 'fr' WHERE \`settings\`.\`key\` = 'default_locale'"
-    ynh_mysql_execute_as_root "$sql_command" $db_name
+    ynh_mysql_execute_as_root --sql="$sql_command" --database=$db_name
     ;;
   de)
     ynh_script_progression --message="Installing German extension..." --weight=2
-    ynh_exec_warn_less ynh_composer_exec --phpversion=$phpversion --workdir=$final_path --commands=\"require cbmainz/flarum-de\"
-    activate_flarum_extension $db_name "cbmainz-de"
+    ynh_exec_warn_less ynh_composer_exec --phpversion=$phpversion --workdir=$final_path --commands=\"require kakifrucht/flarum-de:0.14.3\"
+    activate_flarum_extension $db_name "kakifrucht-de"
     sql_command="UPDATE \`settings\` SET \`value\` = 'de' WHERE \`settings\`.\`key\` = 'default_locale'"
-    ynh_mysql_execute_as_root "$sql_command" $db_name
+    ynh_mysql_execute_as_root --sql="$sql_command" --database=$db_name
     ;;
 esac
+
 ynh_print_info "You may need to manually enable your language extension in Flarum's admin panel."
 
 # Clear cache