diff --git a/desktop/toolkit/gtk/gtk4/pspec.xml b/desktop/toolkit/gtk/gtk4/pspec.xml
index 64a99878d6..228e6ec9de 100644
--- a/desktop/toolkit/gtk/gtk4/pspec.xml
+++ b/desktop/toolkit/gtk/gtk4/pspec.xml
@@ -16,6 +16,7 @@
         <BuildDependencies>
             <Dependency>gettext-devel</Dependency>
             <Dependency>glib2-devel</Dependency>
+            <Dependency>lzo-devel</Dependency>
             <Dependency>gtk-doc</Dependency>
             <Dependency>gi-docgen</Dependency>
             <Dependency>sassc</Dependency>
@@ -59,6 +60,7 @@
         <RuntimeDependencies>
             <Dependency>cups</Dependency>
             <Dependency>tiff</Dependency>
+            <Dependency>lzo</Dependency>
             <Dependency>cairo</Dependency>
             <Dependency>glib2</Dependency>
             <Dependency>libXi</Dependency>
@@ -148,6 +150,7 @@
         <Summary>Development files for GTK4</Summary>
         <RuntimeDependencies>
             <Dependency release="current">gtk4</Dependency>
+            <Dependency>lzo-devel</Dependency>
             <Dependency>pango-devel</Dependency>
             <Dependency>libX11-devel</Dependency>
             <Dependency>libXi-devel</Dependency>