diff --git a/THANKS b/THANKS
index be1ee49c..32af4568 100644
--- a/THANKS
+++ b/THANKS
@@ -108,8 +108,10 @@ has been important. :-) In alphabetical order:
   - Chenxi Mao
   - Gregory Margo
   - Julien Marrec
+  - Pierre-Yves Martin
   - Ed Maste
   - Martin Matuška
+  - Chris McCrohan
   - Ivan A. Melnikov
   - Jim Meyering
   - Arkadiusz Miskiewicz