diff --git a/.gitignore b/.gitignore
index 04ed7b4..3006f88 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,3 +17,4 @@ byacc-20*/
 /byacc-20160324.tgz
 /byacc-20160606.tgz
 /byacc-20161202.tgz
+/byacc-20170201.tgz
diff --git a/byacc.spec b/byacc.spec
index 707e9fb..b7a7a91 100644
--- a/byacc.spec
+++ b/byacc.spec
@@ -1,9 +1,9 @@
-%define byaccdate 20161202
+%define byaccdate 20170201
 
 Summary: Berkeley Yacc, a parser generator
 Name: byacc
 Version: 1.9.%{byaccdate}
-Release: 2%{?dist}
+Release: 1%{?dist}
 License: Public Domain
 Group: Development/Tools
 URL: http://invisible-island.net/byacc/byacc.html
@@ -55,6 +55,9 @@ rm -rf $RPM_BUILD_ROOT
 %{_mandir}/man1/byacc.1*
 
 %changelog
+* Mon Feb 13 2017 Patsy Franklin <pfrankli@redhat.com> - 1.9.20170201-1
+- Rebase to 20170201
+
 * Fri Feb 10 2017 Fedora Release Engineering <releng@fedoraproject.org> - 1.9.20161202-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild
 
diff --git a/sources b/sources
index 80c5f6e..2a3dc0e 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (byacc-20161202.tgz) = 139d8262ba1380f5aece41b3fe8537206c413f20da0a2e408fbe1e7f32795961290c569b6ba1fbe6eb99158c466ffbc62c22e8d2c9c05e7a72c217a84a9a29e2
+SHA512 (byacc-20170201.tgz) = f45e6f5eefe4a4bbcd233fbe06cf25fecec3ecabebea9064db0f52d900ae90783dd180f90d70901f82e2b632ce0432d28a913d312b15225e6256344c176a3638