diff --git a/cti-python-stix2 b/cti-python-stix2
index 96946d956..77ca5ae2f 160000
--- a/cti-python-stix2
+++ b/cti-python-stix2
@@ -1 +1 @@
-Subproject commit 96946d956d41b4c9c9b24683add88f457181ee75
+Subproject commit 77ca5ae2f9742652cd90a53f1b83308a8343f2cc