diff --git a/sha2-c99.patch b/sha2-c99.patch
new file mode 100644
index 0000000..2b66b7c
--- /dev/null
+++ b/sha2-c99.patch
@@ -0,0 +1,16 @@
+Include <string.h> for the strcmp function.  Increases compatibility
+with future compilers which are likely to reject implicit function
+declarations by default.
+
+diff --git a/sha2prog.c b/sha2prog.c
+index 012701e89898dbda..4c633a68b89501c1 100644
+--- a/sha2prog.c
++++ b/sha2prog.c
+@@ -33,6 +33,7 @@
+ 
+ #include <stdio.h>
+ #include <stdlib.h>
++#include <string.h>
+ #include <sysexits.h>
+ #include <sys/types.h>
+ #include <sys/uio.h>
diff --git a/sha2.spec b/sha2.spec
index 421ea01..4cf98f0 100644
--- a/sha2.spec
+++ b/sha2.spec
@@ -1,12 +1,15 @@
 Name:		sha2
 Version:	1.0.1
-Release:	17%{?dist}
+Release:	32%{?dist}
 Summary:	SHA Implementation Library
-License:	BSD
+# Automatically converted from old format: BSD - review is highly recommended.
+License:	LicenseRef-Callaway-BSD
 URL:		http://www.aarongifford.com/computers/sha.html
 Source0:	http://www.aarongifford.com/computers/%{name}-%{version}.tgz
 # Makefile to build the binaries. Sent upstream via email
 Source1:	%{name}-Makefile
+Patch0:		sha2-c99.patch
+BuildRequires: make
 BuildRequires:  gcc
 BuildRequires:  perl-interpreter
 
@@ -30,7 +33,7 @@ developing applications that use %{name}.
 
 
 %prep
-%setup -q
+%autosetup -p1
 cp -a %{SOURCE1} Makefile
 
 %build
@@ -63,6 +66,51 @@ LD_PRELOAD=./libsha2.so ./sha2test.pl
 
 
 %changelog
+* Fri Jul 17 2026 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.1-32
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild
+
+* Sat Jan 17 2026 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.1-31
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_44_Mass_Rebuild
+
+* Fri Jul 25 2025 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.1-30
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_43_Mass_Rebuild
+
+* Sun Jan 19 2025 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.1-29
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild
+
+* Wed Sep 04 2024 Miroslav Suchý <msuchy@redhat.com> - 1.0.1-28
+- convert license to SPDX
+
+* Sat Jul 20 2024 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.1-27
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild
+
+* Sat Jan 27 2024 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.1-26
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild
+
+* Sat Jul 22 2023 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.1-25
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild
+
+* Sat Jan 21 2023 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.1-24
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild
+
+* Wed Dec 14 2022 Florian Weimer <fweimer@redhat.com> - 1.0.1-23
+- Port to C99 (#2153561)
+
+* Sat Jul 23 2022 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.1-22
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_37_Mass_Rebuild
+
+* Sat Jan 22 2022 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.1-21
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_36_Mass_Rebuild
+
+* Fri Jul 23 2021 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.1-20
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild
+
+* Wed Jan 27 2021 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.1-19
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
+
+* Wed Jul 29 2020 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.1-18
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
+
 * Thu Jan 30 2020 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.1-17
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild