diff --git a/.gitignore b/.gitignore
index 151cdd8..3f1d3f4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -41,3 +41,4 @@ noarch/
 /mstflint-4.20.0-1.tar.gz
 /mstflint-4.20.1-1.tar.gz
 /mstflint-4.21.0-1.tar.gz
+/mstflint-4.23.0-1.tar.gz
diff --git a/add-default-link-flags-for-shared-libraries.patch b/add-default-link-flags-for-shared-libraries.patch
index f193256..9ebbf7f 100644
--- a/add-default-link-flags-for-shared-libraries.patch
+++ b/add-default-link-flags-for-shared-libraries.patch
@@ -47,6 +47,6 @@ index 26f6a5a..9a42c37 100644
  ${RREG_ACCESS_SO}: libreg_access.a
 -	$(CC) -g -Wall -pthread -shared ${CFLAGS} *.o -o ${RREG_ACCESS_SO} \
 +	$(CC) -g -Wall -pthread -shared ${CFLAGS} ${LDFLAGS} *.o -o ${RREG_ACCESS_SO} \
- 	-L$(USER_DIR)/tools_layouts -ltools_layouts -L$(MTCR_DIR) -lmtcr_ul
+	-L$(USER_DIR)/tools_layouts -ltools_layouts -lmlxconfig_4th_gen_layouts -L$(MTCR_DIR) -lmtcr_ul
  
  CLEANFILES = ${RREG_ACCESS_SO}
diff --git a/mstflint.spec b/mstflint.spec
index 62c07fc..c1e7bea 100644
--- a/mstflint.spec
+++ b/mstflint.spec
@@ -2,8 +2,8 @@
 
 Name:		mstflint
 Summary:	Mellanox firmware burning tool
-Version:	4.21.0
-Release:	2%{?dist}
+Version:	4.23.0
+Release:	1%{?dist}
 License:	GPLv2+ or BSD
 Url:		https://github.com/Mellanox/%{name}
 Source0: 	https://github.com/Mellanox/%{name}/releases/download/v%{version}-1/%{name}-%{version}-1.tar.gz
@@ -59,6 +59,9 @@ find %{buildroot} -type f -name '*.a' -delete
 %{_mandir}/man1/*
 
 %changelog
+* Thu Feb 02 2023 Kamal Heib <kheib@redhat.com> - 4.23.0-1
+- Update to upstream release 4.23.0
+
 * Thu Jan 19 2023 Fedora Release Engineering <releng@fedoraproject.org> - 4.21.0-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild
 
diff --git a/sources b/sources
index 7eea0b9..5f4ff5b 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (mstflint-4.21.0-1.tar.gz) = 2023f69c334dc11a8f9f44d9c648f43eb6834f0fda3bc5c154dd07c6d8832b04632bf54dc1d9857ef5c46ef50a5273a07f69cfb264d0693538ff5f49f1a2d5bc
+SHA512 (mstflint-4.23.0-1.tar.gz) = 5a5d779a7b7635128417701a059c2e2c8d4e58ff9f71950e50d6df1c583ff594cf883af1e0412d995fb8c66390884989a6c4dab0ce95bcd3bc67312be4412f2b