diff --git a/pkgs/tools/misc/diffoscope/default.nix b/pkgs/tools/misc/diffoscope/default.nix
index c6eb7c8b0180..22c9ea4872b5 100644
--- a/pkgs/tools/misc/diffoscope/default.nix
+++ b/pkgs/tools/misc/diffoscope/default.nix
@@ -1,24 +1,30 @@
 { lib, stdenv, fetchgit, fetchpatch, pythonPackages, docutils
 , acl, binutils, bzip2, cbfstool, cdrkit, colord, cpio, diffutils, e2fsprogs, file, fpc, gettext, ghc
 , gnupg1, gzip, jdk, libcaca, mono, pdftk, poppler_utils, sng, sqlite, squashfsTools, unzip, vim, xz
+, colordiff
 , enableBloat ? false
 }:
 
 pythonPackages.buildPythonApplication rec {
   name = "diffoscope-${version}";
-  version = "52";
+  version = "63";
 
   namePrefix = "";
 
   src = fetchgit {
     url = "git://anonscm.debian.org/reproducible/diffoscope.git";
     rev = "refs/tags/${version}";
-    sha256 = "18nqsd51rc0rldyxnjmzn86154asianhv415llhbxpr1a6zwqis6";
+    sha256 = "018c0xcgf6pgq493dib29pfyqpj7vb93a6qfmdh790fpxa2j1zyd";
   };
 
   patches =
     [ # Ignore different link counts.
       ./ignore_links.patch
+
+      # Our Glibc doesn't have the C.UTF-8 locale yet
+      # (https://sourceware.org/glibc/wiki/Proposals/C.UTF-8), so use
+      # en_US.UTF-8 instead.
+      ./locale.patch
     ];
 
   postPatch = ''
@@ -31,7 +37,7 @@ pythonPackages.buildPythonApplication rec {
   # FIXME: move xxd into a separate package so we don't have to pull in all of vim.
   propagatedBuildInputs = (with pythonPackages; [ debian libarchive-c python_magic tlsh rpm ]) ++
     map lib.getBin ([ acl binutils bzip2 cbfstool cdrkit cpio diffutils e2fsprogs file gettext
-      gzip libcaca poppler_utils sng sqlite squashfsTools unzip vim xz
+      gzip libcaca poppler_utils sng sqlite squashfsTools unzip vim xz colordiff
     ] ++ lib.optionals enableBloat [ colord fpc ghc gnupg1 jdk mono pdftk ]);
 
   doCheck = false; # Calls 'mknod' in squashfs tests, which needs root
diff --git a/pkgs/tools/misc/diffoscope/ignore_links.patch b/pkgs/tools/misc/diffoscope/ignore_links.patch
index 4e5046390fa9..ceea0dc94d4e 100644
--- a/pkgs/tools/misc/diffoscope/ignore_links.patch
+++ b/pkgs/tools/misc/diffoscope/ignore_links.patch
@@ -1,21 +1,15 @@
-From: Eelco Dolstra <eelco.dolstra@logicblox.com>
-
-Nix deduplicates by hard-linking identical files, so it's normal for
-the the number of links to a file to differ.
----
-diff --git a/diffoscope/comparators/directory.py b/diffoscope/comparators/directory.py
-index 7d1cd75..bd91eb0 100644
---- a/diffoscope/comparators/directory.py
-+++ b/diffoscope/comparators/directory.py
-@@ -47,6 +47,7 @@ class Stat(Command):
+diff -ru -x '*~' diffoscope-orig/diffoscope/comparators/directory.py diffoscope/diffoscope/comparators/directory.py
+--- diffoscope-orig/diffoscope/comparators/directory.py	1970-01-01 01:00:01.000000000 +0100
++++ diffoscope/diffoscope/comparators/directory.py	2016-12-08 17:37:55.000315157 +0100
+@@ -49,6 +49,7 @@
      FILE_RE = re.compile(r'^\s*File:.*$')
-     DEVICE_RE = re.compile(r'Device: [0-9a-f]+h/[0-9]+d')
-     INODE_RE = re.compile(r'Inode: [0-9]+')
-+    LINKS_RE = re.compile(r'Links: [0-9]+')
+     DEVICE_RE = re.compile(r'Device: [0-9a-f]+h/[0-9]+d\s+')
+     INODE_RE = re.compile(r'Inode: [0-9]+\s+')
++    LINKS_RE = re.compile(r'Links: [0-9]+\s+')
      ACCESS_TIME_RE = re.compile(r'^Access: [0-9]{4}-[0-9]{2}-[0-9]{2}.*$')
      CHANGE_TIME_RE = re.compile(r'^Change: [0-9]{4}-[0-9]{2}-[0-9]{2}.*$')
-
-@@ -55,6 +56,7 @@ class Stat(Command):
+ 
+@@ -57,6 +58,7 @@
          line = Stat.FILE_RE.sub('', line)
          line = Stat.DEVICE_RE.sub('', line)
          line = Stat.INODE_RE.sub('', line)
diff --git a/pkgs/tools/misc/diffoscope/locale.patch b/pkgs/tools/misc/diffoscope/locale.patch
new file mode 100644
index 000000000000..408d3ba2ce04
--- /dev/null
+++ b/pkgs/tools/misc/diffoscope/locale.patch
@@ -0,0 +1,14 @@
+diff -ru -x '*~' diffoscope-orig/diffoscope/__init__.py diffoscope/diffoscope/__init__.py
+--- diffoscope-orig/diffoscope/__init__.py	1970-01-01 01:00:01.000000000 +0100
++++ diffoscope/diffoscope/__init__.py	2016-12-08 17:48:51.732122110 +0100
+@@ -81,8 +81,8 @@
+     for var in ['LANG', 'LC_NUMERIC', 'LC_TIME', 'LC_COLLATE', 'LC_MONETARY',
+                 'LC_MESSAGES', 'LC_PAPER', 'LC_NAME', 'LC_ADDRESS',
+                 'LC_TELEPHONE', 'LC_MEASUREMENT', 'LC_IDENTIFICATION']:
+-        os.environ[var] = 'C'
+-    os.environ['LC_CTYPE'] = 'C.UTF-8'
++        os.environ[var] = 'en_US'
++    os.environ['LC_CTYPE'] = 'en_US.UTF-8'
+     os.environ['TZ'] = 'UTC'
+ 
+