diff --git a/CONTRIBUTORS.txt b/CONTRIBUTORS.txt
index 61ac19608d9d2f4d2a54bf94b25ef65330682a43..e37f6e4a175408d6edea7843ccfea90942767fc6 100644
--- a/CONTRIBUTORS.txt
+++ b/CONTRIBUTORS.txt
@@ -7,3 +7,5 @@ Significant contributors:
 - Olivier de Marneffe
 - Emily Stark, Mike Hamburg, Tom Wu, and Dan Boneh for SJCL and integration of javascript crypto.
 - Nicholas Chang-Fong and Aleksander Essex for security reports and fixes.
+- Shirley Chaves
+- Marco Ciotola