diff --git a/.gitignore b/.gitignore
index 4df22cd..c3d76b0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,3 +12,4 @@
 /diffoscope-95.tar.gz
 /diffoscope-96.tar.gz
 /diffoscope-98.tar.gz
+/diffoscope-100.tar.gz
diff --git a/0002-Fix-access-to-mtime-attribute-of-libarchive-entry.patch b/0002-Fix-access-to-mtime-attribute-of-libarchive-entry.patch
deleted file mode 100644
index 7aaaaa3..0000000
--- a/0002-Fix-access-to-mtime-attribute-of-libarchive-entry.patch
+++ /dev/null
@@ -1,26 +0,0 @@
-From dabda2823a0d161ff448fc5596c4c06fe3bb17e2 Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
-Date: Tue, 3 Jul 2018 12:46:04 +0200
-Subject: [PATCH] Fix access to mtime attribute of libarchive entry
-
-python-libarchive-c supports nanosecond timestamps by returning a float
-if the nanoseconds are not 0.
-See https://github.com/Changaco/python-libarchive-c/commit/d6a2ea3803e8b6a5aec30308a48501d281badbee.
-There is no mtime_nsec attribute.
----
- diffoscope/comparators/utils/libarchive.py | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/diffoscope/comparators/utils/libarchive.py b/diffoscope/comparators/utils/libarchive.py
-index f45092d40f..aebcaa320b 100644
---- a/diffoscope/comparators/utils/libarchive.py
-+++ b/diffoscope/comparators/utils/libarchive.py
-@@ -96,7 +96,7 @@ def list_libarchive(path):
-             else:
-                 size_or_dev = entry.size
-             mtime = time.strftime('%Y-%m-%d %H:%M:%S', time.gmtime(entry.mtime)
--                                  ) + '.{:06d}'.format(entry.mtime_nsec // 1000)
-+                                  ) + '.{:06d}'.format(entry.mtime % 1000)
-             if entry.issym:
-                 name_and_link = '{entry.name} -> {entry.linkname}'.format(
-                     entry=entry)
diff --git a/diffoscope.spec b/diffoscope.spec
index 1727f1e..62e27e4 100644
--- a/diffoscope.spec
+++ b/diffoscope.spec
@@ -7,8 +7,6 @@ URL:           https://diffoscope.org/
 #Source0:       https://files.pythonhosted.org/packages/source/d/diffoscope/diffoscope-%%{version}.tar.gz
 Source0:       https://salsa.debian.org/reproducible-builds/diffoscope/-/archive/%{version}/diffoscope-%{version}.tar.gz
 
-# Patch0002:     0002-Fix-access-to-mtime-attribute-of-libarchive-entry.patch
-
 %global tools \
     acl \
     e2fsprogs \
diff --git a/sources b/sources
index b1ca23f..0f90084 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (diffoscope-98.tar.gz) = 70a389ac7884fffe0f1f679952a8b8f5b3c876d582b9a9cd43b216e0afe0a162b7ccd2fec2e07054d7f6210abf2ff40534e0fce9b57c298c33cc115c02e01b8c
+SHA512 (diffoscope-100.tar.gz) = b74417d82dd28a757dbb440f8fb138125c0de2f8dbb58a0d3cb1e443309185d0ca16c9c06f17e345ca290856b4749bbcf0db96a8012835c1d198c6b4a0ed87b4