diff --git a/kfilemetadata5.changes b/kfilemetadata5.changes
index f9f1480..d0fce65 100644
--- a/kfilemetadata5.changes
+++ b/kfilemetadata5.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Tue Mar 15 09:56:09 UTC 2022 - Christophe Giboudeaux <christophe@krop.fr>
+
+- Build the optional mobipocket extractor.
+  QMobipocket only depends on Qt and shouldn't cause any issue.
+
 -------------------------------------------------------------------
 Mon Mar  7 09:26:53 UTC 2022 - Christophe Giboudeaux <christophe@krop.fr>
 
diff --git a/kfilemetadata5.spec b/kfilemetadata5.spec
index 8de2e67..73bac40 100644
--- a/kfilemetadata5.spec
+++ b/kfilemetadata5.spec
@@ -46,6 +46,7 @@ BuildRequires:  cmake(KF5Archive) >= %{_kf5_bugfix_version}
 BuildRequires:  cmake(KF5CoreAddons) >= %{_kf5_bugfix_version}
 BuildRequires:  cmake(KF5Config) >= %{_kf5_bugfix_version}
 BuildRequires:  cmake(KF5I18n) >= %{_kf5_bugfix_version}
+BuildRequires:  cmake(QMobipocket)
 BuildRequires:  cmake(Qt5Test) >= 5.15.0
 BuildRequires:  cmake(Qt5Xml) >= 5.15.0
 BuildRequires:  pkgconfig(poppler-qt5)