diff --git a/.gitignore b/.gitignore
index 1e02f3c..4e070bc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,4 @@
 /libnvme-1.1.tar.gz
 /libnvme-1.2.tar.gz
 /libnvme-1.3.tar.gz
+/libnvme-1.4.tar.gz
diff --git a/libnvme-1.3-meson_nss_includes.patch b/libnvme-1.3-meson_nss_includes.patch
deleted file mode 100644
index 3cd7aed..0000000
--- a/libnvme-1.3-meson_nss_includes.patch
+++ /dev/null
@@ -1,38 +0,0 @@
-From ddfb3ba036f9df2737c165b27f9b458dd83a7df8 Mon Sep 17 00:00:00 2001
-From: Tomas Bzatek <tbzatek@redhat.com>
-Date: Tue, 31 Jan 2023 23:27:53 +0100
-Subject: [PATCH 2/2] build: Fix nss code snippet includes
-
-With hardened distribution CFLAGS the meson code snippet wouldn't compile:
-
-Compiler stderr:
-  .build/meson-private/tmpy2z1t5q4/testfile.c: In function 'main':
-  .build/meson-private/tmpy2z1t5q4/testfile.c:2:30: error: storage size of 'hints' isn't known
-      2 |              struct addrinfo hints, *result;
-        |                              ^~~~~
-  .build/meson-private/tmpy2z1t5q4/testfile.c:3:21: warning: implicit declaration of function 'getaddrinfo' [-Wimplicit-function-declaration]
-      3 |              return getaddrinfo(argv[1], argv[2], &hints, &result);
-        |                     ^~~~~~~~~~~
----
- meson.build | 5 ++++-
- 1 file changed, 4 insertions(+), 1 deletion(-)
-
-diff --git a/meson.build b/meson.build
-index d389cbf..cf72d6d 100644
---- a/meson.build
-+++ b/meson.build
-@@ -199,7 +199,10 @@ conf.set10(
- conf.set(
-     'HAVE_LIBNSS',
-     cc.links(
--      '''int main(int argc, char **argv) {
-+      '''#include <sys/types.h>
-+         #include <sys/socket.h>
-+         #include <netdb.h>
-+         int main(int argc, char **argv) {
-              struct addrinfo hints, *result;
-              return getaddrinfo(argv[1], argv[2], &hints, &result);
-       }
--- 
-2.39.0
-
diff --git a/libnvme.spec b/libnvme.spec
index 9f18e48..e4a84fe 100644
--- a/libnvme.spec
+++ b/libnvme.spec
@@ -3,14 +3,12 @@
 
 Name:    libnvme
 Summary: Linux-native nvme device management library
-Version: 1.3
+Version: 1.4
 Release: 1%{?dist}
 License: LGPLv2+
 URL:     https://github.com/linux-nvme/libnvme
 Source0: %{url}/archive/v%{version_no_tilde}/%{name}-%{version_no_tilde}.tar.gz
 
-Patch0:  libnvme-1.3-meson_nss_includes.patch
-
 BuildRequires: gcc gcc-c++
 BuildRequires: swig
 BuildRequires: python3-devel
@@ -19,6 +17,7 @@ BuildRequires: meson >= 0.50
 BuildRequires: json-c-devel >= 0.13
 BuildRequires: openssl-devel
 BuildRequires: dbus-devel
+BuildRequires: keyutils-libs-devel
 %if (0%{?rhel} == 0)
 BuildRequires: kernel-headers >= 5.15
 %endif
@@ -60,7 +59,7 @@ This package contains Python bindings for libnvme.
 %autosetup -p1 -n %{name}-%{version_no_tilde}
 
 %build
-%meson -Dpython=true -Ddocs=all -Ddocs-build=true -Dhtmldir=%{_pkgdocdir}
+%meson -Dpython=enabled -Ddocs=all -Ddocs-build=true -Dhtmldir=%{_pkgdocdir}
 %meson_build
 
 %install
@@ -76,9 +75,9 @@ mv %{buildroot}/usr/*.rst %{buildroot}%{_pkgdocdir}/
 %files
 %license COPYING ccan/licenses/*
 %{_libdir}/libnvme.so.1
-%{_libdir}/libnvme.so.1.3.0
+%{_libdir}/libnvme.so.1.4.0
 %{_libdir}/libnvme-mi.so.1
-%{_libdir}/libnvme-mi.so.1.3.0
+%{_libdir}/libnvme-mi.so.1.4.0
 
 %files devel
 %{_libdir}/libnvme.so
@@ -98,6 +97,9 @@ mv %{buildroot}/usr/*.rst %{buildroot}%{_pkgdocdir}/
 %{python3_sitearch}/libnvme/*
 
 %changelog
+* Mon Apr 03 2023 Tomas Bzatek <tbzatek@redhat.com> - 1.4-1
+- Upstream v1.4 release
+
 * Tue Jan 31 2023 Tomas Bzatek <tbzatek@redhat.com> - 1.3-1
 - Upstream v1.3 release
 
diff --git a/sources b/sources
index 2587e2f..d59d94f 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (libnvme-1.3.tar.gz) = c874b29b73e55be842f71e74a226a76fcd50dfa72e2be100f0437bc83e740cd146b6d2f2cdaa940c11c3d8c48ff2c065ac0e8a83d4d0dde743edf4179f328670
+SHA512 (libnvme-1.4.tar.gz) = cc4a0a78083471e912736d76e4faaa5c285e1149029560f212ff06254863e8f21b48fcb1638599bd68efcf888312a248fb748d23776af03574b39fbd9b2a418d