diff --git a/libproxy.spec b/libproxy.spec
index 3f31e16..0bf9ece 100644
--- a/libproxy.spec
+++ b/libproxy.spec
@@ -4,7 +4,7 @@
 
 Name:           libproxy
 Version:        0.4.15
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        A library handling all the details of proxy configuration
 
 Group:          System Environment/Libraries
@@ -23,7 +23,7 @@ BuildRequires:  cmake >= 2.6.0
 # gnome
 BuildRequires:  pkgconfig(gio-2.0) >= 2.26
 # mozjs
-BuildRequires:  mozjs38-devel
+BuildRequires:  pkgconfig(mozjs-38)
 # NetworkManager
 BuildRequires:  pkgconfig(libnm)
 # pacrunner (and NetworkManager)
@@ -240,6 +240,9 @@ make test
 
 
 %changelog
+* Thu Jul 13 2017 David King <amigadave@amigadave.com> - 0.4.15-2
+- Use pkgconfig for BuildRequires
+
 * Tue May 16 2017 Peter Robinson <pbrobinson@fedoraproject.org> 0.4.15-1
 - Update to 0.4.15