diff --git a/.gitignore b/.gitignore
index 693d66e..68138ba 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1 @@
-SOURCES/v166.zip
+SOURCES/v173.zip
diff --git a/.mcelog.metadata b/.mcelog.metadata
index 01cf523..ee853e6 100644
--- a/.mcelog.metadata
+++ b/.mcelog.metadata
@@ -1 +1 @@
-4746a4d5ca0ffb1f1ece67f1e289d9efa0de1d39 SOURCES/v166.zip
+8dce28cd3f04f189036279a9cbe10ad543526bbc SOURCES/v173.zip
diff --git a/SPECS/mcelog.spec b/SPECS/mcelog.spec
index 40da8da..bf18c78 100644
--- a/SPECS/mcelog.spec
+++ b/SPECS/mcelog.spec
@@ -1,6 +1,6 @@
 Summary:	Tool to translate x86-64 CPU Machine Check Exception data
 Name:		mcelog
-Version:	166
+Version:	173
 Release:	0%{?dist}
 Epoch:		3
 Group:		System Environment/Base
@@ -66,6 +66,10 @@ install -p -m644 mcelog*.5 $RPM_BUILD_ROOT/%{_mandir}/man5/
 %{_mandir}/*/*
 
 %changelog
+* Mon Nov 16 2020 Prarit Bhargava <prarit@redhat.com> - 3:173-0
+- Update to v173
+- adds support for Tigerlake, Rocketlake, Alderlake, Lakefield
+- adds support for CometLake, Icelake server, Icelake-D, and Snow Ridge
 * Mon Jun  1 2020 Prarit Bhargava <prarit@redhat.com> - 3:166-0
 - Add support for Icelake Server [1783101]
 * Tue Dec 10 2019 Prarit Bhargava <prarit@redhat.com> - 3:165-0