diff --git a/SPECS-EXTENDED/libsigc++20/libsigc++20.signatures.json b/SPECS-EXTENDED/libsigc++20/libsigc++20.signatures.json
index 7b44650dcbf..17a9e87d7fb 100644
--- a/SPECS-EXTENDED/libsigc++20/libsigc++20.signatures.json
+++ b/SPECS-EXTENDED/libsigc++20/libsigc++20.signatures.json
@@ -1,5 +1,5 @@
 {
  "Signatures": {
-  "libsigc++-2.10.3.tar.xz": "0b68dfc6313c6cc90ac989c6d722a1bf0585ad13846e79746aa87cb265904786"
+  "libsigc++-2.12.1.tar.xz": "a9dbee323351d109b7aee074a9cb89ca3e7bcf8ad8edef1851f4cf359bd50843"
  }
-}
+}
\ No newline at end of file
diff --git a/SPECS-EXTENDED/libsigc++20/libsigc++20.spec b/SPECS-EXTENDED/libsigc++20/libsigc++20.spec
index 9ba4e2cf47d..5aed1abd5cf 100644
--- a/SPECS-EXTENDED/libsigc++20/libsigc++20.spec
+++ b/SPECS-EXTENDED/libsigc++20/libsigc++20.spec
@@ -4,18 +4,22 @@ Distribution:   Azure Linux
 %define release_version %(echo %{version} | awk -F. '{print $1"."$2}')
 
 Name:           libsigc++20
-Version:        2.10.3
-Release:        2%{?dist}
+Version:        2.12.1
+Release:        1%{?dist}
 Summary:        Typesafe signal framework for C++
 
-License:        LGPLv2+
-URL:            http://libsigc.sourceforge.net/
-Source0:        http://download.gnome.org/sources/libsigc++/%{release_version}/libsigc++-%{version}.tar.xz
+License:        LGPL-2.1-or-later
+URL:            https://github.com/libsigcplusplus/libsigcplusplus
+Source0:        https://download.gnome.org/sources/libsigc++/%{release_version}/libsigc++-%{version}.tar.xz
 
+BuildRequires:  docbook-style-xsl
+BuildRequires:  doxygen
 BuildRequires:  gcc-c++
+BuildRequires:  libxslt
 BuildRequires:  m4
-BuildRequires:  perl-interpreter
+BuildRequires:  meson
 BuildRequires:  perl(Getopt::Long)
+BuildRequires:  perl-interpreter
 
 %description
 libsigc++ implements a typesafe callback system for standard C++. It
@@ -34,7 +38,7 @@ Requires:       %{name}%{?_isa} = %{version}-%{release}
 %description devel
 The %{name}-devel package contains the static libraries and header files
 needed for development with %{name}.
-
+ 
 
 %package        doc
 Summary:        Documentation for %{name}, includes full API docs
@@ -46,38 +50,41 @@ This package contains the full API documentation for %{name}.
 
 
 %prep
-%setup -q -n libsigc++-%{version}
+%autosetup -n libsigc++-%{version}
 
+chmod -x NEWS
 
-%build
-%configure
-make %{?_smp_mflags}
 
+%build
+%meson -Dbuild-documentation=false
+%meson_build
 
 %install
-%make_install
-find $RPM_BUILD_ROOT -type f -name "*.la" -exec rm -f {} ';'
-
+%meson_install
 
 %files
 %license COPYING
-%doc AUTHORS README NEWS
-%{_libdir}/*.so.*
+%doc NEWS README.md
+%{_libdir}/libsigc-2.0.so.0*
 
 %files devel
-%{_includedir}/*
+%{_includedir}/sigc++-2.0/
 %{_libdir}/sigc++-2.0/
-%{_libdir}/pkgconfig/*.pc
-%{_libdir}/*.so
+%{_libdir}/pkgconfig/sigc++-2.0.pc
+%{_libdir}/libsigc-2.0.so
 
-%files doc
-%doc %{_datadir}/doc/libsigc++-2.0/
+#%files doc
+#%doc %{_datadir}/doc/libsigc++-2.0/
 # according guidelines, we can co-own this, since devhelp is not required
 # for accessing documentation
-%doc %{_datadir}/devhelp/
+#%doc %{_datadir}/devhelp/
 
 
 %changelog
+* Mon Nov 11 2024 Sumit Jena <v-sumitjena@microsoft.com> - 2.12.1-1
+- Update to version 2.12.1
+- License verified.
+
 * Fri Oct 15 2021 Pawel Winogrodzki <pawelwi@microsoft.com> - 2.10.3-2
 - Initial CBL-Mariner import from Fedora 32 (license: MIT).
 
diff --git a/cgmanifest.json b/cgmanifest.json
index d1159de93cc..c65e7222eae 100644
--- a/cgmanifest.json
+++ b/cgmanifest.json
@@ -10891,8 +10891,8 @@
         "type": "other",
         "other": {
           "name": "libsigc++20",
-          "version": "2.10.3",
-          "downloadUrl": "http://download.gnome.org/sources/libsigc++/2.10/libsigc++-2.10.3.tar.xz"
+          "version": "2.12.1",
+          "downloadUrl": "https://download.gnome.org/sources/libsigc++/2.12/libsigc++-2.12.1.tar.xz"
         }
       }
     },