diff --git a/petsc.spec b/petsc.spec
index 9e89a47..5a5d51c 100644
--- a/petsc.spec
+++ b/petsc.spec
@@ -130,7 +130,7 @@ ExcludeArch: aarch64
 Name:    petsc
 Summary: Portable Extensible Toolkit for Scientific Computation
 Version: 3.7.6
-Release: 3%{?dist}
+Release: 4%{?dist}
 License: BSD
 URL:     https://www.mcs.anl.gov/petsc
 Source0: http://ftp.mcs.anl.gov/pub/petsc/release-snapshots/petsc-%{version}.tar.gz
@@ -188,7 +188,7 @@ Requires:   gcc-gfortran%{?_isa}
 %if 0%{?fedora} < 26
 Requires:   pkgconfig
 %else
-Requires:   PkgConf
+Requires:   pkgconf
 %endif
 %description devel
 Portable Extensible Toolkit for Scientific Computation (developer files).
@@ -222,7 +222,7 @@ Requires:   gcc-gfortran%{?_isa}
 %if 0%{?fedora} < 26
 Requires:   pkgconfig
 %else
-Requires:   PkgConf
+Requires:   pkgconf
 %endif
 Summary: Portable Extensible Toolkit for Scientific Computation (64bit INTEGER)
 
@@ -959,6 +959,9 @@ make -C buildmpich_dir test
 %endif
 
 %changelog
+* Wed May 17 2017 Antonio Trande <sagitter@fedoraproject.org> - 3.7.6-4
+- Fix Requires packages
+
 * Mon May 15 2017 Antonio Trande <sagitter@fedoraproject.org> - 3.7.6-3
 - Move petscvariables/petscrules under private directory of /usr/share