diff --git a/math/qd/Makefile b/math/qd/Makefile
index 285cd02de824..99f36471b50b 100644
--- a/math/qd/Makefile
+++ b/math/qd/Makefile
@@ -1,24 +1,24 @@
 # New ports collection makefile for:    qd
 # Date created:                         2007/03/28
 # Whom:                                 Nakata Maho <maho@FreeBSD.org>
 #
 # $FreeBSD$
 #
 
 PORTNAME=	qd
-PORTVERSION=	2.2.6
+PORTVERSION=	2.3.1
 CATEGORIES=	math
 MASTER_SITES=	http://www.cs.berkeley.edu/~yozo/software/
 
 MAINTAINER=	maho@FreeBSD.org
 COMMENT=	Double-Double and Quad-Double Arithmetic
 
 GNU_CONFIGURE=	yes
 
 .include <bsd.port.pre.mk>
 
 USE_FORTRAN=	yes
 CONFIGURE_ENV+=		FC="${FC}" F77="${F77}" FFLAGS="${FFLAGS}"
 CONFIGURE_ARGS+=	--enable-shared=yes
 
 .include <bsd.port.post.mk>
diff --git a/math/qd/distinfo b/math/qd/distinfo
index 284ca0e56e77..da3f61e836b1 100644
--- a/math/qd/distinfo
+++ b/math/qd/distinfo
@@ -1,3 +1,3 @@
-MD5 (qd-2.2.6.tar.gz) = f891798a8d8b3364bc6940c91eafb778
-SHA256 (qd-2.2.6.tar.gz) = 7f8c5c1aefc3883ec59f6d07bb472524051e55de3f6a175160a3e7c91e9094fe
-SIZE (qd-2.2.6.tar.gz) = 557822
+MD5 (qd-2.3.1.tar.gz) = 84c49ef7cbbcaea0dd07042e9db0993c
+SHA256 (qd-2.3.1.tar.gz) = 4980c9330c7a748b77187a2084bac7ff1931beb0fe12879a9ad4e07c9a45964b
+SIZE (qd-2.3.1.tar.gz) = 559530
diff --git a/math/qd/pkg-plist b/math/qd/pkg-plist
index e3146ed3be65..7adbef839511 100644
--- a/math/qd/pkg-plist
+++ b/math/qd/pkg-plist
@@ -1,20 +1,21 @@
 bin/qd-config
+include/qd/bits.h
 include/qd/c_dd.h
 include/qd/c_qd.h
-include/qd/dd_real.h
 include/qd/dd_inline.h
+include/qd/dd_real.h
 include/qd/fpu.h
 include/qd/inline.h
-include/qd/qd_real.h
-include/qd/qd_inline.h
-include/qd/bits.h
 include/qd/qd_config.h
+include/qd/qd_inline.h
+include/qd/qd_real.h
 lib/libqd.a
 lib/libqdmod.a
-lib/qd/qdmodule.mod
+lib/qd/ddext.mod
 lib/qd/ddmodule.mod
+lib/qd/qdmodule.mod
 share/doc/qd/README
 share/doc/qd/qd.pdf
 @dirrm include/qd
 @dirrm lib/qd
 @dirrm share/doc/qd