diff --git a/mutt.spec b/mutt.spec
index 25cb6f4..45d27c0 100644
--- a/mutt.spec
+++ b/mutt.spec
@@ -43,6 +43,7 @@ BuildRequires:  libxml2
 BuildRequires:  libxslt
 BuildRequires:  lynx
 BuildRequires:  ncurses-devel
+BuildRequires:  notmuch-devel
 BuildRequires:  postfix
 BuildRequires:  sgml-skel
 BuildRequires:  update-desktop-files