diff --git a/.gitignore b/.gitignore
index 6e75805..f0135b5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@ BibTool-2.48.tar.gz
 /BibTool-2.58.tar.gz
 /BibTool-2.61.tar.gz
 /BibTool-2.63.tar.gz
+/BibTool-2.64.tar.gz
diff --git a/BibTool.spec b/BibTool.spec
index 82225ed..654e0ef 100644
--- a/BibTool.spec
+++ b/BibTool.spec
@@ -1,7 +1,7 @@
 Summary:        A Tool for manipulating BibTeX data bases
 Name:           BibTool
-Version:        2.63
-Release:        2%{?dist}
+Version:        2.64
+Release:        1%{?dist}
 Group:          Applications/Publishing
 Source:         ftp://ftp.dante.de/tex-archive/biblio/bibtex/utils/bibtool/BibTool-%{version}.tar.gz
 URL:            http://www.gerd-neugebauer.de/software/TeX/BibTool/
@@ -48,6 +48,9 @@ rm -rf $RPM_BUILD_ROOT
 %{_mandir}/man1/bibtool.1*
 
 %changelog
+* Tue Jun 07 2016 Michael J Gruber <mjg@fedoraproject.org> - 2.64-1
+- rebase to BibTool 2.64
+
 * Wed Feb 03 2016 Fedora Release Engineering <releng@fedoraproject.org> - 2.63-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_24_Mass_Rebuild
 
diff --git a/sources b/sources
index 1c171fc..9b74d89 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-692d2d0c4c59cc6a22fd933ca4c72529  BibTool-2.63.tar.gz
+c32c199b9b4a41955e2afddd7c42731f  BibTool-2.64.tar.gz