diff --git a/recipes-image/packagegroups/packagegroup-gui-full.bb b/recipes-image/packagegroups/packagegroup-gui-full.bb
index 2305e77..84704e0 100644
--- a/recipes-image/packagegroups/packagegroup-gui-full.bb
+++ b/recipes-image/packagegroups/packagegroup-gui-full.bb
@@ -36,7 +36,7 @@ RDEPENDS_${PN} = " \
     \
     ${@bb.utils.contains('BBFILE_COLLECTIONS', 'browser-layer', 'chromium-x11', '', d)} \
     \
-    ${@bb.utils.contains('BBFILE_COLLECTIONS', 'meta-retro', 'mame dosbox z80 vice stella opentyrian d1x-rebirth', '', d)} \
+    ${@bb.utils.contains('BBFILE_COLLECTIONS', 'meta-retro', 'mame dosbox cass80 z80 vice stella opentyrian d1x-rebirth', '', d)} \
     \
     ${@bb.utils.contains('BBFILE_COLLECTIONS', 'office-layer', 'libreoffice abiword-meta', '', d)} \
     \