diff --git a/_service b/_service
index c20d13a..b88e4dc 100644
--- a/_service
+++ b/_service
@@ -1,10 +1,10 @@
 <services>
   <service name="cargo_vendor" mode="manual">
     <param name="compression">xz</param>
-    <param name="srcdir">parsec-1.4.0-rc1</param>
+    <param name="srcdir">parsec-1.4.0</param>
     <param name="update">true</param>
   </service>
   <service name="cargo_audit" mode="manual">
-     <param name="srcdir">parsec-1.4.0-rc1</param>
+     <param name="srcdir">parsec-1.4.0</param>
   </service>
 </services>
diff --git a/parsec-1.4.0-rc2.tar.gz b/parsec-1.4.0-rc2.tar.gz
deleted file mode 100644
index 39456b8..0000000
--- a/parsec-1.4.0-rc2.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:372a5015ed17686c522e9c54c08e65c176070071d60ebd9f38561928a529bee6
-size 953444
diff --git a/parsec-1.4.0.tar.gz b/parsec-1.4.0.tar.gz
new file mode 100644
index 0000000..139434f
--- /dev/null
+++ b/parsec-1.4.0.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f6bc928eb4447730d0530af338847d4a09043f3c4efe386a8285d3ada38eac0b
+size 954083
diff --git a/parsec.changes b/parsec.changes
index 9179233..bfd0921 100644
--- a/parsec.changes
+++ b/parsec.changes
@@ -1,3 +1,16 @@
+-------------------------------------------------------------------
+Tue Apr 16 12:38:57 UTC 2024 - Guillaume GARDET <guillaume.gardet@opensuse.org>
+
+-  Update to 1.4.0:
+  * Full changelog: https://github.com/parallaxsecond/parsec/compare/1.4.0-rc2...1.4.0
+- Simplify libstdc++-devel handling for Leap 15.x
+
+-------------------------------------------------------------------
+Tue Apr 16 10:12:19 UTC 2024 - Max Lin <mlin@suse.com>
+
+- Fix build on Leap 15.6
+  * installed the corresponding libstdc++-devel to avoid the -lstdc++ not found
+
 -------------------------------------------------------------------
 Thu Mar 28 15:23:19 UTC 2024 - Guillaume GARDET <guillaume.gardet@opensuse.org>
 
diff --git a/parsec.spec b/parsec.spec
index 00ea268..994ef21 100644
--- a/parsec.spec
+++ b/parsec.spec
@@ -17,11 +17,11 @@
 
 
 %global rustflags '-Clink-arg=-Wl,-z,relro,-z,now'
-%define archive_version 1.4.0-rc2
+%define archive_version 1.4.0
 
 %{?systemd_ordering}
 Name:           parsec
-Version:        1.4.0~rc2
+Version:        1.4.0
 Release:        0
 Summary:        Platform AbstRaction for SECurity
 License:        Apache-2.0
@@ -33,13 +33,13 @@ Source4:        config.toml
 Source5:        parsec.conf
 Source6:        system-user-parsec.conf
 Source10:       https://git.trustedfirmware.org/TS/trusted-services.git/snapshot/trusted-services-389b506.tar.gz
-BuildRequires:  cargo
+BuildRequires:  cargo >= 1.66
 BuildRequires:  clang-devel
 BuildRequires:  cmake
 BuildRequires:  llvm-devel
-%if 0%{?sle_version} >= 150400
-# Fix build with GCC11 on Backports SLE15-SP4/5 - Avoid to get -lstdc++ not found
-BuildRequires:  libstdc++6-devel-gcc12
+%if 0%{?suse_version} == 1500
+# Fix build with GCC13 on Backports SLE15-SPx - Avoid to get -lstdc++ not found
+BuildRequires:  libstdc++6-devel-gcc13
 %endif
 BuildRequires:  cargo-packaging
 BuildRequires:  pkgconfig
diff --git a/vendor.tar.xz b/vendor.tar.xz
index 7a3fd8b..7dc3df2 100644
--- a/vendor.tar.xz
+++ b/vendor.tar.xz
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:d9288687a3eda0398e454d00596d79b1bd8d67aa6e3564d7dabbedf532ece815
-size 52351056
+oid sha256:09efaa395b577b6f3dd7026fafaed09cb03469b6ad5fff43591f2915e12ab3de
+size 52905824