diff --git a/IM/tosca/tosca-types b/IM/tosca/tosca-types
index b39eaf456..e501b4cbe 160000
--- a/IM/tosca/tosca-types
+++ b/IM/tosca/tosca-types
@@ -1 +1 @@
-Subproject commit b39eaf4560c3b986bda2a6ccc99a4659143953a4
+Subproject commit e501b4cbee78a8ad9a340c4a357507073e53f0d3