diff --git a/tutorcairn/__about__.py b/tutorcairn/__about__.py
index 88601b2..10dccc1 100644
--- a/tutorcairn/__about__.py
+++ b/tutorcairn/__about__.py
@@ -1,2 +1,8 @@
 __version__ = "15.0.6"
 
+# Handle version suffix for nightly, just like tutor core.
+__version_suffix__ = ""
+
+if __version_suffix__:
+    __version__ += "-" + __version_suffix__
+