diff --git a/desktop/gnome/apps/gnome-calendar/pspec.xml b/desktop/gnome/apps/gnome-calendar/pspec.xml
index 2544c3ee9d..b90cabf6b3 100644
--- a/desktop/gnome/apps/gnome-calendar/pspec.xml
+++ b/desktop/gnome/apps/gnome-calendar/pspec.xml
@@ -18,6 +18,7 @@
             <Dependency>meson</Dependency>
             <Dependency>gtk-doc</Dependency>
             <Dependency>gtk4-devel</Dependency>
+            <Dependency>libjxl-devel</Dependency>
             <Dependency>geoclue-devel</Dependency>
             <Dependency>gettext-devel</Dependency>
             <Dependency>libical-devel</Dependency>