diff --git a/extern/ion-definitions b/extern/ion-definitions
index 1a4dd692f..080f01695 160000
--- a/extern/ion-definitions
+++ b/extern/ion-definitions
@@ -1 +1 @@
-Subproject commit 1a4dd692f0918b670e592943f09600089d5cf74c
+Subproject commit 080f016958d9b30ffc786b77e8d1134365703ee9