diff --git a/desktop/gnome/apps/polari/pspec.xml b/desktop/gnome/apps/polari/pspec.xml
index 9a5be50215..aa837855d9 100644
--- a/desktop/gnome/apps/polari/pspec.xml
+++ b/desktop/gnome/apps/polari/pspec.xml
@@ -17,7 +17,7 @@
         <BuildDependencies>
             <Dependency>appstream-glib-devel</Dependency>
             <Dependency>meson</Dependency>
-            <Dependency>gtk3-devel</Dependency>
+            <Dependency>gtk4-devel</Dependency>
             <Dependency versionFrom="1.70.0">gjs-devel</Dependency>
             <Dependency>gobject-introspection-devel</Dependency>
             <Dependency>telepathy-glib-devel</Dependency>
@@ -33,7 +33,7 @@
         <Name>polari</Name>
         <RuntimeDependencies>
             <Dependency>gjs</Dependency>
-            <Dependency>gtk3</Dependency>
+            <Dependency>gtk4</Dependency>
             <Dependency>glib2</Dependency>
             <Dependency>telepathy-glib</Dependency>
             <Dependency>telepathy-logger</Dependency>