diff --git a/Misc/ACKS b/Misc/ACKS
index 3de41e2..34d2762 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -593,6 +593,7 @@
 Sam Schulenburg
 Stefan Schwarzer
 Dietmar Schwertberger
+Federico Schwindt
 Barry Scott
 Steven Scott
 Nick Seidenman
@@ -701,6 +702,7 @@
 Aaron Watters
 Henrik Weber
 Corran Webster
+Stefan Wehr
 Zack Weinberg
 Edward Welbourne
 Cliff Wells