diff --git a/.gitignore b/.gitignore
index 7113428..2ad2ca4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,4 @@
 /Sphinx-1.5.1.tar.gz
 /Sphinx-1.5.2.tar.gz
 /Sphinx-1.6.3.tar.gz
+/Sphinx-1.6.4.tar.gz
diff --git a/python-sphinx.spec b/python-sphinx.spec
index ddc24cb..436c5c9 100644
--- a/python-sphinx.spec
+++ b/python-sphinx.spec
@@ -14,8 +14,8 @@
 %global upstream_name Sphinx
 
 Name:       python-sphinx
-Version:    1.6.3
-Release:    3%{?dist}
+Version:    1.6.4
+Release:    1%{?dist}
 Epoch:      1
 Summary:    Python documentation generator
 
@@ -595,6 +595,9 @@ popd
 
 
 %changelog
+* Tue Sep 26 2017 Charalampos Stratakis <cstratak@redhat.com> - 1:1.6.4-1
+- Update to 1.6.4 (bz#1426928)
+
 * Wed Sep 20 2017 Charalampos Stratakis <cstratak@redhat.com> - 1:1.6.3-3
 - Provide the epoch tag in order to keep the upgrade path clean.
 
diff --git a/sources b/sources
index 6ba2c59..642fb13 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (Sphinx-1.6.3.tar.gz) = d5aec58e19239db4e61fcd6b103fcc838d97aad5a7aaf9279ff1097791d9cd1ba245989307a2d1049c123058b84ca4e91db192a1672c040d80fafed3907736ae
+SHA512 (Sphinx-1.6.4.tar.gz) = df7dafce15b6a7025f3ed094a6274d697b2b6b58a91f073a25ea3f70d06a6f3b47808d6a453ed1e51fa6ecb6abceaa661aa6e2d63533ed0cd0e666ba972a9133