diff --git a/flatpak-runtime-packages.yaml b/flatpak-runtime-packages.yaml
index 5326aa2..9790742 100644
--- a/flatpak-runtime-packages.yaml
+++ b/flatpak-runtime-packages.yaml
@@ -79,3 +79,4 @@ build-order-ignore:
     - graphviz
     - python-sphinx
     - python2-sphinx
+    - gtk-update-icon-cache