diff --git a/AUTHORS b/AUTHORS
index 1e934db9..9f9f8a46 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -56,6 +56,7 @@ Marco Bodrato        mpz implementation of Toom 7, mpn implementation of
                      many improved number theoretical functions factorial,
                      multi-factorial, primorial, n-choose-k
 Robert Gerbicz       fast factorial code
+Marc Glisse          gmpxx.h improvements
 Martin Boij          Miscellaneous improvements to nextprime code
 David Harvey         middle product and dc_divappr_q code, divide and conquer
                      Hensel division code and some work on basecase
@@ -69,3 +70,4 @@ JP Flori             Many build system patches, tuning values
 Sisyphus (Rob)       Tuning values
 Leif Lionhardy       Build system patches, tuning values
 Julien Puydt         Tuning values
+Vincent Delecroix    port of mpq_cmp_z from gmp