diff --git a/.gitignore b/.gitignore
index bd27770..559741b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,3 +10,4 @@
 /petsc-3.9.3.tar.gz
 /petsc-3.10.2.tar.gz
 /petsc-3.10.3.tar.gz
+/petsc-3.10.4.tar.gz
diff --git a/petsc.spec b/petsc.spec
index c99d2f6..5c24524 100644
--- a/petsc.spec
+++ b/petsc.spec
@@ -120,8 +120,8 @@
 
 Name:    petsc
 Summary: Portable Extensible Toolkit for Scientific Computation
-Version: %{releasever}.3
-Release: 4%{?dist}
+Version: %{releasever}.4
+Release: 1%{?dist}
 License: BSD
 URL:     https://www.mcs.anl.gov/petsc
 Source0: http://ftp.mcs.anl.gov/pub/petsc/release-snapshots/petsc-%{version}.tar.gz
@@ -164,7 +164,8 @@ BuildRequires: lapack-devel
 BuildRequires: gcc, gcc-c++, cmake3
 BuildRequires: gcc-gfortran
 BuildRequires: libX11-devel
-BuildRequires: python2-devel, python3-sphinx
+%{?fedora:BuildRequires: python2-devel}
+%{?rhel:BuildRequires: python2-devel}
 BuildRequires: pcre-devel
 %if 0%{?rhel}
 BuildRequires: pkgconfig
@@ -193,6 +194,8 @@ Portable Extensible Toolkit for Scientific Computation (developer files).
 
 %package doc
 Summary:    Portable Extensible Toolkit for Scientific Computation (documentation files)
+%{?fedora:BuildRequires: python3-sphinx}
+%{?rhel:BuildRequires: python2-sphinx}
 BuildArch:  noarch
 %description doc
 Portable Extensible Toolkit for Scientific Computation.
@@ -363,17 +366,25 @@ Portable Extensible Toolkit for Scientific Computation (developer files).
 %setup -q -c
 
 pushd %{name}-%{version}
+%if 0%{?rhel}
 find . -name 'setup.py' | xargs sed -i '1s|^#!/usr/bin/env python|#!%{__python2}|'
 find . -name 'configure' | xargs sed -i '1s|^#!/usr/bin/env python|#!%{__python2}|'
 find config -name '*.py' | xargs sed -i '1s|^#!/usr/bin/env python|#!%{__python2}|'
 find src/benchmarks/streams -name '*.py' | xargs sed -i '1s|^#!/usr/bin/env python|#!%{__python2}|'
+%endif
+%if 0%{?fedora}
+find . -name 'setup.py' | xargs sed -i '1s|^#!/usr/bin/env python|#!%{__python2}|'
+find . -name 'configure' | xargs sed -i '1s|^#!/usr/bin/env python|#!%{__python2}|'
+find config -name '*.py' | xargs sed -i '1s|^#!/usr/bin/env python|#!%{__python2}|'
+find src/benchmarks/streams -name '*.py' | xargs sed -i '1s|^#!/usr/bin/env python|#!%{__python2}|'
+%endif
+
 %patch3 -p0
-%if 0%{?rhel}
-%patch4 -R -p1
-%endif
-%if 0%{?fedora} && 0%{?fedora} < 29
+
+%if 0%{?rhel} || 0%{?fedora} < 29
 %patch4 -R -p1
 %endif
+
 popd
 
 %if %{with arch64}
@@ -1085,6 +1096,9 @@ make -C buildmpich_dir test
 %endif
 
 %changelog
+* Tue Mar 12 2019 Antonio Trande <sagitter@fedoraproject.org> - 3.10.4-1
+- Release 3.10.4
+
 * Tue Mar 12 2019 Sandro Mani <manisandro@gmail.com> - 3.10.3-4
 - Rebuild (cgnslib)
 
diff --git a/sources b/sources
index c21df3e..4195ecb 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (petsc-3.10.3.tar.gz) = 638cd05555840f42ce3df9fcee45e185fa4d0db46792a206dc513aecf36767bb34c23276c3e98e7294f5968c038d3be596ed92c5ebe7d508b00e17df6d3581b1
+SHA512 (petsc-3.10.4.tar.gz) = f62915bda21b0fef4d4fa5ff6cf1d9607739caad466c97fd4694584ad7e5281442728777b3e63e0c8a37108134f929aff8e1f550993a93910ade25f6dd983466