diff -Nru petsc-3.4.2.dfsg1/debian/changelog petsc-3.4.2.dfsg1/debian/changelog
--- petsc-3.4.2.dfsg1/debian/changelog	2013-11-02 21:12:50.000000000 +0000
+++ petsc-3.4.2.dfsg1/debian/changelog	2013-12-11 09:30:22.000000000 +0000
@@ -1,3 +1,14 @@
+petsc (3.4.2.dfsg1-6) unstable; urgency=medium
+
+  * Team upload.
+  * Fix mangling of dfsg suffix in debian/watch (Closes: #730151)
+  * Transition to suitesparse 4.2.1 (Closes: #708398)
+    + umfpack.patch: remove patch, no longer needed
+    + bump build-dependency version
+  * Bump Standards-Version to 3.9.5, no changes needed.
+
+ -- Sébastien Villemot <sebastien@debian.org>  Wed, 11 Dec 2013 10:30:05 +0100
+
 petsc (3.4.2.dfsg1-5) unstable; urgency=low
 
   * Team upload.
diff -Nru petsc-3.4.2.dfsg1/debian/control petsc-3.4.2.dfsg1/debian/control
--- petsc-3.4.2.dfsg1/debian/control	2013-11-02 21:03:47.000000000 +0000
+++ petsc-3.4.2.dfsg1/debian/control	2013-12-11 09:27:51.000000000 +0000
@@ -3,11 +3,11 @@
 Priority: extra
 Maintainer: Debian Science Maintainers <debian-science-maintainers@lists.alioth.debian.org>
 Uploaders: "Adam C. Powell, IV" <hazelsct@debian.org>
-Standards-Version: 3.9.2
+Standards-Version: 3.9.5
 Build-Depends: debhelper (>= 7.0.50), quilt, python (>= 2.2), gfortran, autotools-dev,
  libx11-dev, mpi-default-dev (>= 1.0.2),
  libblas-dev, liblapack-dev,
- libsuitesparse-dev (>= 3.1.0-2),
+ libsuitesparse-dev (>= 1:4.2.1),
  libspooles-dev (>= 2.2-6), libhypre-dev (>= 2.4.0), libptscotch-dev,
  libhdf5-mpi-dev (>= 1.8.8),
  libblacs-mpi-dev, libscalapack-mpi-dev, libmumps-dev,
diff -Nru petsc-3.4.2.dfsg1/debian/patches/series petsc-3.4.2.dfsg1/debian/patches/series
--- petsc-3.4.2.dfsg1/debian/patches/series	2013-11-02 21:00:39.000000000 +0000
+++ petsc-3.4.2.dfsg1/debian/patches/series	2013-12-11 09:26:13.000000000 +0000
@@ -10,5 +10,4 @@
 #mumps.patch
 hypre.patch
 nocleanup.patch
-umfpack.patch
 g++-4.8.patch
diff -Nru petsc-3.4.2.dfsg1/debian/patches/umfpack.patch petsc-3.4.2.dfsg1/debian/patches/umfpack.patch
--- petsc-3.4.2.dfsg1/debian/patches/umfpack.patch	2013-09-10 20:47:25.000000000 +0000
+++ petsc-3.4.2.dfsg1/debian/patches/umfpack.patch	1970-01-01 00:00:00.000000000 +0000
@@ -1,29 +0,0 @@
-A kludge to get PETSc to compile with SuiteSparse 3.4.0:
-replace Control[UMFPACK_ORDERING] with Info[UMFPACK_ORDERING_USED]
-
-It compiles, but runtime behavior is unpredictable at best.
-
-Index: petsc-3.4.2/src/mat/impls/aij/seq/umfpack/umfpack.c
-===================================================================
---- petsc-3.4.2.orig/src/mat/impls/aij/seq/umfpack/umfpack.c	2013-08-20 15:35:46.000000000 +0200
-+++ petsc-3.4.2/src/mat/impls/aij/seq/umfpack/umfpack.c	2013-08-20 15:35:46.000000000 +0200
-@@ -308,7 +308,7 @@
- 
-   /* mat ordering */
-   if (!lu->PetscMatOrdering) {
--    ierr = PetscViewerASCIIPrintf(viewer,"  Control[UMFPACK_ORDERING]: %s (not using the PETSc ordering)\n",UmfpackOrderingTypes[(int)lu->Control[UMFPACK_ORDERING]]);CHKERRQ(ierr);
-+    ierr = PetscViewerASCIIPrintf(viewer,"  Info[UMFPACK_ORDERING_USED]: %s (not using the PETSc ordering)\n",UmfpackOrderingTypes[(int)lu->Info[UMFPACK_ORDERING_USED]]);CHKERRQ(ierr);
-   }
-   PetscFunctionReturn(0);
- }
-@@ -427,8 +427,8 @@
-     case 2: lu->Control[UMFPACK_STRATEGY] = UMFPACK_STRATEGY_SYMMETRIC; break;
-     }
-   }
--  ierr = PetscOptionsEList("-mat_umfpack_ordering","Internal ordering method","None",UmfpackOrderingTypes,sizeof(UmfpackOrderingTypes)/sizeof(UmfpackOrderingTypes[0]),UmfpackOrderingTypes[(int)lu->Control[UMFPACK_ORDERING]],&idx,&flg);CHKERRQ(ierr);
--  if (flg) lu->Control[UMFPACK_ORDERING] = (int)idx;
-+  ierr = PetscOptionsEList("-mat_umfpack_ordering","Internal ordering method","None",UmfpackOrderingTypes,sizeof UmfpackOrderingTypes/sizeof UmfpackOrderingTypes[0],UmfpackOrderingTypes[(int)lu->Info[UMFPACK_ORDERING_USED]],&idx,&flg);CHKERRQ(ierr);
-+  if (flg) lu->Info[UMFPACK_ORDERING_USED] = (int)idx;
-   ierr = PetscOptionsReal("-mat_umfpack_dense_col","Control[UMFPACK_DENSE_COL]","None",lu->Control[UMFPACK_DENSE_COL],&lu->Control[UMFPACK_DENSE_COL],NULL);CHKERRQ(ierr);
-   ierr = PetscOptionsReal("-mat_umfpack_dense_row","Control[UMFPACK_DENSE_ROW]","None",lu->Control[UMFPACK_DENSE_ROW],&lu->Control[UMFPACK_DENSE_ROW],NULL);CHKERRQ(ierr);
-   ierr = PetscOptionsReal("-mat_umfpack_amd_dense","Control[UMFPACK_AMD_DENSE]","None",lu->Control[UMFPACK_AMD_DENSE],&lu->Control[UMFPACK_AMD_DENSE],NULL);CHKERRQ(ierr);
diff -Nru petsc-3.4.2.dfsg1/debian/watch petsc-3.4.2.dfsg1/debian/watch
--- petsc-3.4.2.dfsg1/debian/watch	2013-09-10 20:47:25.000000000 +0000
+++ petsc-3.4.2.dfsg1/debian/watch	2013-12-10 19:26:06.000000000 +0000
@@ -1,3 +1,3 @@
 version=3
-opts=dversionmangle=s/\.dfsg// \
+opts=dversionmangle=s/\.dfsg\d// \
  http://ftp.mcs.anl.gov/pub/petsc/release-snapshots/petsc-([\d\.]+).tar.gz