diff --git a/STARS.md b/STARS.md
index b983ceb..be43639 100644
--- a/STARS.md
+++ b/STARS.md
@@ -91,6 +91,8 @@ in the first category.
   A Python Library for Managing Travel Model Network Scenarios
 - [wsp-sag/tcadr](https://www.github.com/wsp-sag/tcadr) (2 stars)  
   A library to read/write TransCAD binary files in R.
+- [ZephyrTransport/travel-diary-survey-tools](https://www.github.com/ZephyrTransport/travel-diary-survey-tools) (2 stars)  
+  For collaborating on Travel Diary Survey Tools
 
 
 ## Zephyr Users
@@ -162,4 +164,4 @@ Zephyr members are invited to contribute in two ways:
 
 
 
-Last updated March 20, 2024
+Last updated March 21, 2024