diff --git a/GAPDoc.spec b/GAPDoc.spec
index f106cdd..e601ecb 100644
--- a/GAPDoc.spec
+++ b/GAPDoc.spec
@@ -1,5 +1,5 @@
 Name:           GAPDoc
-Version:        1.6.3
+Version:        1.6.4
 Release:        4%{?dist}
 Summary:        GAP documentation tool
 
@@ -109,11 +109,6 @@ This package contains documentation for GAPDoc.
 %prep
 %autosetup
 
-# Fix character encoding
-iconv -f ISO8859-1 -t UTF-8 3k+1/3k+1.bib > 3k+1/3k+1.bib.utf8
-touch -r 3k+1/3k+1.bib 3k+1/3k+1.bib.utf8
-mv -f 3k+1/3k+1.bib.utf8 3k+1/3k+1.bib
-
 %build
 # Link to main GAP documentation
 ln -s %{_gap_dir}/doc ../../doc
@@ -152,6 +147,9 @@ rm -f %{buildroot}%{_gap_dir}/pkg/%{name}/{CHANGES,GPL,README.md}
 %{_gap_dir}/pkg/%{name}/example/
 
 %changelog
+* Tue Aug 11 2020 Jerry James <loganjerry@gmail.com> - 1.6.4-4
+- Version 1.6.4
+
 * Mon Jul 27 2020 Fedora Release Engineering <releng@fedoraproject.org> - 1.6.3-4
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
 
diff --git a/sources b/sources
index 0a962f5..77deedf 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (GAPDoc-1.6.3.tar.bz2) = a4ecd66298f3b6fa53c10b03bec7ce370e946704356d392e1a84a317ba1f9078972c7ed0dd2a3596f92cf5d84f8cb2cc9a7eb098ca7584bfe37a936dc7037b9b
+SHA512 (GAPDoc-1.6.4.tar.bz2) = d5601a5b7a86da4583c7f5869b5560ca048ff281b6048f4bd649c962dc8b6896a911f297beaf0dadad516d4c9cbb3e9f8463fe0af3dc77ef94b3d54c185315b0