diff --git a/.gitignore b/.gitignore
index ad68e32..d53c255 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,4 +8,3 @@ gzip-1.4.tar.xz
 /gzip-1.11.tar.xz
 /gzip-1.12.tar.xz
 /gzip-1.13.tar.xz
-/gzip-1.14.tar.xz
diff --git a/gzip.spec b/gzip.spec
index 3247385..0573681 100644
--- a/gzip.spec
+++ b/gzip.spec
@@ -1,6 +1,6 @@
 Summary: GNU data compression program
 Name: gzip
-Version: 1.14
+Version: 1.13
 Release: 1%{?dist}
 # info pages are under GFDL license
 License: GPL-3.0-or-later AND GFDL-1.3-only
@@ -11,7 +11,7 @@ Source1: https://www.gnu.org/licenses/fdl-1.3.txt
 Source100: colorzgrep.csh
 Source101: colorzgrep.sh
 
-Patch1: s390_errno.patch
+Patch1: gnulib.patch
 
 # Fixed in upstream code.
 # http://thread.gmane.org/gmane.comp.gnu.gzip.bugs/378
@@ -39,8 +39,7 @@ very commonly used data compression program.
 
 %prep
 %setup -q
-%patch 1 -p1
-
+#%patch1 -p1 -b .gnulib
 cp %{SOURCE1} .
 autoreconf
 
@@ -51,13 +50,9 @@ export CC="%{__cc}"
 export CPP="%{__cpp}"
 export CXX="%{__cxx}"
 %ifarch s390x
-
-#When the otpimizations are enabled, the huft test fails as of F44/gzip1.14
-#export CFLAGS="$RPM_OPT_FLAGS -Dalignas=_Alignas -DDFLTCC_LEVEL_MASK=0x7e"
+export CFLAGS="$RPM_OPT_FLAGS -Dalignas=_Alignas -DDFLTCC_LEVEL_MASK=0x7e"
 #use this in the next realease after gzip 1.13 export CFLAGS="$RPM_OPT_FLAGS -DDFLTCC_LEVEL_MASK=0x7e"
-#%configure --enable-dfltcc
-
-%configure
+%configure --enable-dfltcc
 %else
 %configure
 %endif
@@ -91,20 +86,6 @@ install -p -m 644 %{SOURCE101} %{buildroot}%{profiledir}
 %{profiledir}/*
 
 %changelog
-* Thu Aug 14 2025 Jakub Martisko <jamartis@redhat.com> - 1.14-1
-- Rebase to gzip 1.14
-- There are some issues when the s390x optimizations are turned on - the hufts test fails
-- This will need some further investigation, for the time, I've disabled the optimizations
-
-* Thu Jul 24 2025 Fedora Release Engineering <releng@fedoraproject.org> - 1.13-4
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_43_Mass_Rebuild
-
-* Fri Jan 17 2025 Fedora Release Engineering <releng@fedoraproject.org> - 1.13-3
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild
-
-* Thu Jul 18 2024 Fedora Release Engineering <releng@fedoraproject.org> - 1.13-2
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild
-
 * Thu Feb 01 2024 Jakub Martisko <jamartis@redhat.com> - 1.13-1
 - Rebase to gzip 1.13
 - There's a bug on s390x: https://lists.gnu.org/archive/html/bug-gzip/2023-10/msg00000.html
diff --git a/s390_errno.patch b/s390_errno.patch
deleted file mode 100644
index 73ba47f..0000000
--- a/s390_errno.patch
+++ /dev/null
@@ -1,26 +0,0 @@
-From c76affb4551630ff661ac1c1ee99353a17eb16e1 Mon Sep 17 00:00:00 2001
-From: Paul Eggert <eggert@cs.ucla.edu>
-Date: Fri, 30 May 2025 12:31:04 -0700
-Subject: gzip: fix s390x build failure
-
-Problem reported by Jakub Martisko <https://bugs.gnu.org/78618>.
-* dfltcc.c: Include errno.h.
----
- dfltcc.c | 1 +
- 1 file changed, 1 insertion(+)
-
-diff --git a/dfltcc.c b/dfltcc.c
-index 9f86581..8307a97 100644
---- a/dfltcc.c
-+++ b/dfltcc.c
-@@ -17,6 +17,7 @@
- 
- #include <config.h>
- 
-+#include <errno.h>
- #include <stdlib.h>
- 
- #ifdef HAVE_SYS_SDT_H
--- 
-cgit v1.2.3
-
diff --git a/sources b/sources
index 6561239..5d79e70 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (gzip-1.14.tar.xz) = 82aef53188b3e69b51b7ddab5b8c44a11a5b73c0039b22a315a0c7d244694feab0146748add4265901eb1b4c0cee8a9eb69594995f098830d964091af97079c5
+SHA512 (gzip-1.13.tar.xz) = e3d4d4aa4b2e53fdad980620307257c91dfbbc40bcec9baa8d4e85e8327f55e2ece552c9baf209df7b66a07103ab92d4954ac53c86c57fbde5e1dd461143f94c