diff --git a/THANKS b/THANKS
index 13bad4e46..8cc739b99 100644
--- a/THANKS
+++ b/THANKS
@@ -6,6 +6,7 @@ Thanks to:
 - Mikael ("Lazy dog") Djurfeldt, for his work on GOOPS, last-minute
   fixes to the 1.3.2 release, and just generally being really energetic
   and helpful.
+- Chris Hanson, for writing the debugger
 - Gary Houston, for continuing work on the I/O system.
 - Tom Tromey, for Automake therapy (the code and its users alike).
 - Greg Harvey, for work on the Guile web pages.