diff --git a/unique.spec b/unique.spec
index b71caa5..236e9fd 100644
--- a/unique.spec
+++ b/unique.spec
@@ -14,7 +14,7 @@ BuildRequires:  gnome-doc-utils >= 0.3.2
 BuildRequires:  libtool
 BuildRequires:  glib2-devel >= 2.12.0
 BuildRequires:  gtk2-devel >= 2.11.0
-BuildRequires:  gtk-doc
+BuildRequires:  gtk-doc >= 1.11
 
 %description
 Unique is a library for writing single instance applications, that is