diff --git a/.gitignore b/.gitignore
index e912b2b..591429c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -38,3 +38,4 @@ octave-3.2.4.tar.bz2
 /octave-6.1.0-docs.tar.lz
 /octave-6.2.0.tar.lz
 /octave-6.3.0.tar.lz
+/octave-6.4.0.tar.lz
diff --git a/octave.spec b/octave.spec
index 5b1b548..5fe5174 100644
--- a/octave.spec
+++ b/octave.spec
@@ -36,8 +36,8 @@
 
 Name:           octave
 Epoch:          6
-Version:        6.3.0
-Release:        2%{?dist}
+Version:        6.4.0
+Release:        1%{?dist}
 Summary:        A high-level language for numerical computations
 License:        GPLv3+
 URL:            http://www.octave.org
@@ -277,6 +277,8 @@ mkdir -p %{buildroot}%{_pkgdocdir}
 cp -ar AUTHORS BUGS ChangeLog examples NEWS README %{buildroot}%{_pkgdocdir}/
 cp -a doc/refcard/*.pdf %{buildroot}%{_pkgdocdir}/
 
+find %{buildroot}%{_libdir} -name \*.la -delete
+
 # No info directory
 rm -f %{buildroot}%{_infodir}/dir
 
@@ -396,7 +398,17 @@ make check
 # FIXME: Create an -emacs package that has the emacs addon
 %config(noreplace) %{_sysconfdir}/ld.so.conf.d/octave-*.conf
 %{_bindir}/octave*
-%{_libdir}/octave/
+%dir %{_libdir}/octave/
+%dir %{_libdir}/octave/%{version}
+%{_libdir}/octave/%{version}/liboctave.so.8*
+%{_libdir}/octave/%{version}/liboctgui.so.6*
+%{_libdir}/octave/%{version}/liboctinterp.so.9*
+%{_libdir}/octave/%{version}/mkoctfile-%{version}
+%{_libdir}/octave/%{version}/oct/
+%{_libdir}/octave/%{version}/octave-config-%{version}
+%{_libdir}/octave/%{version}/site/
+%{_libdir}/octave/packages/
+%{_libdir}/octave/site/
 %{_libexecdir}/octave/
 %{_mandir}/man1/octave*.1.*
 %{_infodir}/liboctave.info*
@@ -418,6 +430,9 @@ make check
 %{_bindir}/mkoctfile
 %{_bindir}/mkoctfile-%{version}%{?rctag}
 %{_includedir}/octave-%{version}%{?rctag}/
+%{_libdir}/octave/%{version}/liboctave.so
+%{_libdir}/octave/%{version}/liboctgui.so
+%{_libdir}/octave/%{version}/liboctinterp.so
 %{_libdir}/pkgconfig/octave.pc
 %{_libdir}/pkgconfig/octinterp.pc
 %{_mandir}/man1/mkoctfile.1.*
@@ -431,6 +446,9 @@ make check
 %{_pkgdocdir}/refcard*.pdf
 
 %changelog
+* Wed Nov 03 2021 Orion Poplawski <orion@nwra.com> - 6:6.4.0-1
+- Update to 6.4.0
+
 * Wed Oct 20 2021 Antonio Trande <sagitter@fedoraproject.org> - 6:6.3.0-2
 - Rebuild for sundials-5.8.0
 
diff --git a/sources b/sources
index 07f5390..bd06c9b 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (octave-6.3.0.tar.lz) = c5acef1964373a1992d608736cbf433d1147a468504789bb30a52688cd60cdd050300e68b6d691c38e0fd3925c102feba208b2256bb463369bddac5a02d956e7
+SHA512 (octave-6.4.0.tar.lz) = f0e59cf1d038e8f92801c5621800872cb6d030fd7c306eb5746a40310120c91d37096ed364428845190c1bbc08b4c75e6f57f7ecdbc06ee6659885ce634730fd