diff --git a/samba.spec b/samba.spec
index 4d8ffe8..3417b98 100644
--- a/samba.spec
+++ b/samba.spec
@@ -192,6 +192,7 @@ BuildRequires: python3-devel
 # Add python3-iso8601 to avoid that the
 # version in Samba is being packaged
 BuildRequires: python3-iso8601
+BuildRequires: python3-subunit-tests
 %endif # with_dc
 BuildRequires: quota-devel
 BuildRequires: readline-devel