diff --git a/THANKS b/THANKS
index 1cc749aab..fa9963344 100644
--- a/THANKS
+++ b/THANKS
@@ -43,6 +43,7 @@ Authors of free software libraries that have been included into Guile
 since the last release:
 
 	    Jim Bender
+	    Per Bothner
 	    Rob Browning
            Oleg Kiselyov
 	   Alex Shinn