diff --git a/lemonldap-ng-common/MANIFEST b/lemonldap-ng-common/MANIFEST
index b7a79b662..bf01e6003 100644
--- a/lemonldap-ng-common/MANIFEST
+++ b/lemonldap-ng-common/MANIFEST
@@ -4,6 +4,7 @@ lib/Lemonldap/NG/Common.pm
 lib/Lemonldap/NG/Common/Apache/Session.pm
 lib/Lemonldap/NG/Common/Apache/Session/Generate/SHA256.pm
 lib/Lemonldap/NG/Common/Apache/Session/Lock.pm
+lib/Lemonldap/NG/Common/Apache/Session/Serialize/JSON.pm
 lib/Lemonldap/NG/Common/Apache/Session/SOAP.pm
 lib/Lemonldap/NG/Common/Apache/Session/Store.pm
 lib/Lemonldap/NG/Common/Captcha.pm