diff --git a/.gitignore b/.gitignore
index 6f60b46..4d08219 100644
--- a/.gitignore
+++ b/.gitignore
@@ -37,3 +37,4 @@ microcode-20100826.dat
 /microcode_ctl-2.1-14.tar.xz
 /microcode_ctl-2.1-15.tar.xz
 /microcode_ctl-2.1-16.tar.xz
+/microcode_ctl-2.1-17.tar.xz
diff --git a/microcode_ctl.spec b/microcode_ctl.spec
index b02e075..1f8b5c8 100644
--- a/microcode_ctl.spec
+++ b/microcode_ctl.spec
@@ -1,10 +1,10 @@
-%define upstream_version 2.1-16
+%define upstream_version 2.1-17
 %global debug_package %{nil}
 
 Summary:        Tool to transform and deploy CPU microcode update for x86
 Name:           microcode_ctl
 Version:        2.1
-Release:        22%{?dist}
+Release:        23%{?dist}
 Epoch:          2
 License:        GPLv2+ and Redistributable, no modification permitted
 URL:            https://pagure.io/microcode_ctl
@@ -34,6 +34,9 @@ make DESTDIR=%{buildroot} PREFIX=%{_prefix} INSDIR=/usr/sbin install clean
 
 
 %changelog
+* Wed May 16 2018 Anton Arapov <aarapov@redhat.com> 2:2.1-23
+- Update to upstream 2.1-17. 20180425
+
 * Thu Mar 15 2018 Anton Arapov <aarapov@redhat.com> 2:2.1-22
 - Update to upstream 2.1-16. 20180312
 
diff --git a/sources b/sources
index 6480180..393e9b3 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (microcode_ctl-2.1-16.tar.xz) = 9a5a70548daa156db78ad390232bdcb1f8bd50390e9bf7a34c9f27e92be5265b180dc2478958eca9bf735f8e9125a27fa5993accd9bcd9b6f51391c5c0391a41
+SHA512 (microcode_ctl-2.1-17.tar.xz) = e408dd775ebd9bb8bdda0de045181336a76d3aa903d48d1f61509e8fc0f212a8c71c9f9668c2c991b5e7bce955591ebd3518e4156eedcc17c2d7f3822d32d94e