diff --git a/SPECS/swig/swig.signatures.json b/SPECS/swig/swig.signatures.json
index 677c5cc5a8..5e64870a01 100644
--- a/SPECS/swig/swig.signatures.json
+++ b/SPECS/swig/swig.signatures.json
@@ -1,5 +1,5 @@
 {
  "Signatures": {
-  "swig-3.0.12.tar.gz": "7cf9f447ae7ed1c51722efc45e7f14418d15d7a1e143ac9f09a668999f4fc94d"
+  "swig-4.0.2.tar.gz": "d53be9730d8d58a16bf0cbd1f8ac0c0c3e1090573168bfa151b01eb47fa906fc"
  }
 }
\ No newline at end of file
diff --git a/SPECS/swig/swig.spec b/SPECS/swig/swig.spec
index fa889c9073..ffdef5b8d2 100644
--- a/SPECS/swig/swig.spec
+++ b/SPECS/swig/swig.spec
@@ -1,15 +1,14 @@
-Summary:	Connects C/C++/Objective C to some high-level programming languages
-Name:		swig
-Version:	3.0.12
-Release:        4%{?dist}
-License:	GPLv3+
-URL:		http://swig.sourceforge.net/
-Source0:	http://downloads.sourceforge.net/project/swig/swig/swig-%{version}/swig-%{version}.tar.gz
-%define sha1 swig=5cc1af41d041e4cc609580b99bb3dcf720effa25
+Summary:        Connects C/C++/Objective C to some high-level programming languages
+Name:           swig
+Version:        4.0.2
+Release:        1%{?dist}
+License:        GPLv3+ AND BSD
 Vendor:         Microsoft Corporation
 Distribution:   Mariner
-BuildRequires:	pcre-devel
-Requires:	pcre
+URL:            https://swig.sourceforge.net/
+Source0:        https://downloads.sourceforge.net/project/swig/swig/swig-%{version}/swig-%{version}.tar.gz
+BuildRequires:  pcre-devel
+Requires:       pcre
 
 %description
 Simplified Wrapper and Interface Generator (SWIG) is a software
@@ -46,26 +45,37 @@ ln -fs ../../bin/ccache-swig %{buildroot}%{_libdir}/ccache/swig
 make %{?_smp_mflags} check
 
 %files
-%license LICENSE
+%license LICENSE LICENSE-GPL LICENSE-UNIVERSITIES
 %{_bindir}/*
 %{_datadir}/swig
 %{_libdir}/ccache
 
 %changelog
+* Mon Mar 15 2021 Henry Li <lihl@microsoft.com> - 4.0.2-1
+- Upgrade to version 4.0.2. License Verified.
+- Correct licensing.
+- Remove sha1 define
+
 * Sat May 09 00:21:36 PST 2020 Nick Samson <nisamson@microsoft.com> - 3.0.12-4
 - Added %%license line automatically
 
 *   Tue Sep 03 2019 Mateusz Malisz <mamalisz@microsoft.com> 3.0.12-3
 -   Initial CBL-Mariner import from Photon (license: Apache2).
+
 *       Tue May 02 2017 Vinay Kulkarni <kulkarniv@vmware.com> 3.0.12-2
 -       Correct the license.
+
 *       Wed Apr 12 2017 Vinay Kulkarni <kulkarniv@vmware.com> 3.0.12-1
 -       Update to version 3.0.12
+
 *       Tue Oct 04 2016 ChangLee <changlee@vmware.com> 3.0.8-3
 -       Modified %check
+
 *	Tue May 24 2016 Priyesh Padmavilasom <ppadmavilasom@vmware.com> 3.0.8-2
 -	GA - Bump release of all rpms
+
 * 	Tue Feb 23 2016 Anish Swaminathan <anishs@vmware.com>  3.0.8-1
 - 	Upgrade to 3.0.8
+
 * 	Thu Feb 26 2015 Divya Thaluru <dthaluru@vmware.com> 3.0.5-1
 - 	Initial version
diff --git a/cgmanifest.json b/cgmanifest.json
index e1288ea393..c12ede176f 100644
--- a/cgmanifest.json
+++ b/cgmanifest.json
@@ -5786,8 +5786,8 @@
         "type": "other",
         "other": {
           "name": "swig",
-          "version": "3.0.12",
-          "downloadUrl": "http://downloads.sourceforge.net/project/swig/swig/swig-3.0.12/swig-3.0.12.tar.gz"
+          "version": "4.0.2",
+          "downloadUrl": "https://downloads.sourceforge.net/project/swig/swig/swig-4.0.2/swig-4.0.2.tar.gz"
         }
       }
     },
diff --git a/toolkit/resources/manifests/package/toolchain_aarch64.txt b/toolkit/resources/manifests/package/toolchain_aarch64.txt
index 2eb661c36b..c6456a7cd4 100644
--- a/toolkit/resources/manifests/package/toolchain_aarch64.txt
+++ b/toolkit/resources/manifests/package/toolchain_aarch64.txt
@@ -562,8 +562,8 @@ sqlite-3.32.3-2.cm1.aarch64.rpm
 sqlite-debuginfo-3.32.3-2.cm1.aarch64.rpm
 sqlite-devel-3.32.3-2.cm1.aarch64.rpm
 sqlite-libs-3.32.3-2.cm1.aarch64.rpm
-swig-3.0.12-4.cm1.aarch64.rpm
-swig-debuginfo-3.0.12-4.cm1.aarch64.rpm
+swig-4.0.2-1.cm1.aarch64.rpm
+swig-debuginfo-4.0.2-1.cm1.aarch64.rpm
 systemd-239-37.cm1.aarch64.rpm
 systemd-bootstrap-239-31.cm1.aarch64.rpm
 systemd-bootstrap-debuginfo-239-31.cm1.aarch64.rpm
diff --git a/toolkit/resources/manifests/package/toolchain_x86_64.txt b/toolkit/resources/manifests/package/toolchain_x86_64.txt
index f033302215..3659b91674 100644
--- a/toolkit/resources/manifests/package/toolchain_x86_64.txt
+++ b/toolkit/resources/manifests/package/toolchain_x86_64.txt
@@ -562,8 +562,8 @@ sqlite-3.32.3-2.cm1.x86_64.rpm
 sqlite-debuginfo-3.32.3-2.cm1.x86_64.rpm
 sqlite-devel-3.32.3-2.cm1.x86_64.rpm
 sqlite-libs-3.32.3-2.cm1.x86_64.rpm
-swig-3.0.12-4.cm1.x86_64.rpm
-swig-debuginfo-3.0.12-4.cm1.x86_64.rpm
+swig-4.0.2-1.cm1.x86_64.rpm
+swig-debuginfo-4.0.2-1.cm1.x86_64.rpm
 systemd-239-37.cm1.x86_64.rpm
 systemd-bootstrap-239-31.cm1.x86_64.rpm
 systemd-bootstrap-debuginfo-239-31.cm1.x86_64.rpm