diff --git a/modulesets/gtk-osx.modules b/modulesets/gtk-osx.modules
index e110934..5df5559 100644
--- a/modulesets/gtk-osx.modules
+++ b/modulesets/gtk-osx.modules
@@ -41,6 +41,10 @@
               type="tarball" />
   <repository name="system"
               type="system" />
+  <!-- for packaging, for gtk+ -->
+  <repository name="pypi"
+              href="https://files.pythonhosted.org/packages/source/"
+              type="tarball" />
   <!--
     This module set works a bit differently than for example the
     GNOME ones do. It's split up in seperate pieces:
@@ -82,6 +86,7 @@
   <!---->
   <metamodule id="meta-gtk-osx-gtk3">
     <dependencies>
+      <dep package="packaging" /> <!-- for gtk+ -->
       <dep package="gtk+-3.0" />
       <dep package="gtk-mac-integration" />
       <dep package="adwaita-icon-theme" />
@@ -90,6 +95,20 @@
       <dep package="meta-gtk-osx-bootstrap" />
     </after>
   </metamodule>
+  <!-- for gtk+ -->
+  <distutils id="packaging">
+    <branch module="51/65/50db4dda066951078f0a96cf12f4b9ada6e4b811516bf0262c0f4f7064d4/packaging-24.1.tar.gz"
+            version="24.1"
+            hash="026ed72c8ed3fcce5bf8950572258698927fd1dbda10a5e981cdf0ac37f4f002"
+            repo="pypi" >
+    </branch>
+    <dependencies>
+      <dep package="python3" />
+    </dependencies>
+    <before>
+      <dep package="gtk+-3.0" />
+    </before>
+  </distutils>
   <!---->
   <autotools id="libffi"
              autogen-sh="configure"