diff --git a/requirements.txt b/requirements.txt
index dff4a2f436..c6a5b1fb11 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,3 +9,4 @@ ldap3>=2.5,!=2.5.2,!=2.5.0,!=2.6
 ldapdomaindump>=0.9.0
 flask>=1.0
 pyreadline3;sys_platform == 'win32'
+ordereddict