diff --git a/packages/toolchain/math/gmp/url b/packages/toolchain/math/gmp/url
index a74440aa3c..c4024655df 100644
--- a/packages/toolchain/math/gmp/url
+++ b/packages/toolchain/math/gmp/url
@@ -1 +1 @@
-http://ftp.sunet.se/pub/gnu/gmp/gmp-4.3.0.tar.bz2
+http://ftp.sunet.se/pub/gnu/gmp/gmp-4.3.1.tar.bz2