diff --git a/doc/CONTRIBUTORS b/doc/CONTRIBUTORS
index 487322b4d..94488cb88 100644
--- a/doc/CONTRIBUTORS
+++ b/doc/CONTRIBUTORS
@@ -92,6 +92,7 @@ you believe you should be listed, please send a note to sudo@sudo.ws.
     MacKenzie, David J.
     McLaughlin, Tom
     Makey, Jeff
+    Mallayya, Sangamesh
     Marchionna, Michael D.
     Markham, Paul
     Martinian, Emin
@@ -147,6 +148,7 @@ you believe you should be listed, please send a note to sudo@sudo.ws.
     Soulen, Steven
     Spangler, Aaron
     Spradling, Cloyce D.
+    Spradling, Michael
     Stier, Matthew
     Stoeckmann, Tobias
     Street, Russell