diff --git a/src/ifcconvert/cityjson b/src/ifcconvert/cityjson
index eddef60fba..ac4d1d7b6e 160000
--- a/src/ifcconvert/cityjson
+++ b/src/ifcconvert/cityjson
@@ -1 +1 @@
-Subproject commit eddef60fbae2f0fe43cbc05acce40583ef68cd6d
+Subproject commit ac4d1d7b6ee3827779c90e653e1117acaee5f3b1