diff --git a/10e9ac86df9a823d7470deaaa50c44d2857ee6f7.tar.gz b/10e9ac86df9a823d7470deaaa50c44d2857ee6f7.tar.gz
new file mode 100644
index 0000000..75b614e
--- /dev/null
+++ b/10e9ac86df9a823d7470deaaa50c44d2857ee6f7.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:eb62e76b7de9f4445697c2bb3d420009f007d8dbf2261af9846c29d2aca2ff5f
+size 67707
diff --git a/bmwiedemann-sort.patch b/bmwiedemann-sort.patch
new file mode 100644
index 0000000..19bb0ad
--- /dev/null
+++ b/bmwiedemann-sort.patch
@@ -0,0 +1,26 @@
+From e2e366c0b3d0d2e50bfe6908d61785f6ee321a5c Mon Sep 17 00:00:00 2001
+From: "Bernhard M. Wiedemann" <bwiedemann@suse.de>
+Date: Fri, 18 Mar 2022 19:51:22 +0100
+Subject: [PATCH] Sort input file list
+
+so that `epub2txt` builds in a reproducible way
+in spite of indeterministic filesystem readdir order
+
+See https://reproducible-builds.org/ for why this is good.
+---
+ Makefile | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/Makefile b/Makefile
+index 2013cf1..449be7f 100644
+--- a/Makefile
++++ b/Makefile
+@@ -9,7 +9,7 @@ MANDIR  := /share/man
+ APPNAME := epub2txt
+ 
+ TARGET	:= epub2txt 
+-SOURCES := $(shell find src/ -type f -name *.c)
++SOURCES := $(sort $(shell find src/ -type f -name *.c))
+ OBJECTS := $(patsubst src/%,build/%,$(SOURCES:.c=.o))
+ DEPS	:= $(OBJECTS:.o=.deps)
+ 
diff --git a/epub2txt2.changes b/epub2txt2.changes
index 43b99fd..37036ed 100644
--- a/epub2txt2.changes
+++ b/epub2txt2.changes
@@ -1,3 +1,32 @@
+-------------------------------------------------------------------
+Wed Mar 30 00:04:30 UTC 2022 - Soc Virnyl Estela <socvirnyl.estela@gmail.com>
+
+- replace %{version} to a custom %{_commit_hash} to fix build errors
+
+-------------------------------------------------------------------
+Tue Mar 29 23:58:55 UTC 2022 - Soc Virnyl Estela <socvirnyl.estela@gmail.com>
+
+- Use the commit hash instead. Upstream maintainer didn't tagged a release
+  and only changed the README that it is version 2.03. This is to clarify
+  that commit `10e9ac86df9a823d7470deaaa50c44d2857ee6f7` is 2.03.
+
+-------------------------------------------------------------------
+Tue Mar 29 12:45:00 UTC 2022 - Soc Virnyl Estela <socvirnyl.estela@gmail.com>
+
+- Fix spec and sources.
+
+-------------------------------------------------------------------
+Tue Mar 29 12:20:59 UTC 2022 - Soc Virnyl Estela <socvirnyl.estela@gmail.com>
+
+- Update epub2text2 version to 2.03:
+  * Fixed buffer overrun bug
+
+- Update patches:
+  * Add bmwiedemann/sort patch for reproducible builds
+  * Use `%autopatch -p1` in spec file 
+
+- add bmwiedemann-sort.patch
+
 -------------------------------------------------------------------
 Sat Mar 12 23:32:20 UTC 2022 - Soc Virnyl Estela <socvirnyl.estela@gmail.com>
 
diff --git a/epub2txt2.spec b/epub2txt2.spec
index 69cbf56..3f84c2b 100644
--- a/epub2txt2.spec
+++ b/epub2txt2.spec
@@ -12,29 +12,32 @@
 # license that conforms to the Open Source Definition (Version 1.9)
 # published by the Open Source Initiative.
 
-# Please submit bugfixes or comments via http://bugs.opensuse.org/
+# Please submit bugfixes or comments via https://bugs.opensuse.org/
 #
 
 
+%global _commit_hash "10e9ac86df9a823d7470deaaa50c44d2857ee6f7"
+
 Name:           epub2txt2
-Version:        2.01
+Version:        2.03
 Release:        0
-Summary:        Simple command-line utility for extracting text from EPUB documents 
+Summary:        Simple command-line utility for extracting text from EPUB documents
 License:        GPL-3.0-only
 Group:          Productivity/Text/Utilities
-Url:            https://github.com/kevinboone/epub2txt2
-Source:         https://github.com/kevinboone/epub2txt2/archive/v%{version}.tar.gz
-Patch:          LICENSE.patch
-BuildRequires:  make
+URL:            https://github.com/kevinboone/epub2txt2
+Source0:        https://github.com/kevinboone/epub2txt2/archive/10e9ac86df9a823d7470deaaa50c44d2857ee6f7.tar.gz
+Patch0:         LICENSE.patch
+Patch1:         bmwiedemann-sort.patch
 BuildRequires:  gcc
+BuildRequires:  make
 Requires:       unzip
 
 %description
 Simple command-line utility for extracting text from EPUB documents
 
 %prep
-%setup -q
-%patch -p1
+%setup -q -n %{name}-%{_commit_hash}
+%autopatch -p1
 
 %build
 %make_build
@@ -49,4 +52,3 @@ Simple command-line utility for extracting text from EPUB documents
 %{_mandir}/man1/epub2txt.1%{?ext_man}
 
 %changelog
-
diff --git a/v2.01.tar.gz b/v2.01.tar.gz
deleted file mode 100644
index 559b2eb..0000000
--- a/v2.01.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:82c96c713c8a6e10d7b37e96db83a9d5f50fcb4b65034b4a1df1024776b6591f
-size 57171