diff --git a/libpeas.spec b/libpeas.spec
index 85b2937..476d92f 100644
--- a/libpeas.spec
+++ b/libpeas.spec
@@ -15,14 +15,14 @@ URL:		https://wiki.gnome.org/Projects/Libpeas
 Source0:	https://download.gnome.org/sources/%{name}/1.15/%{name}-%{version}.tar.xz
 
 BuildRequires:	chrpath
-BuildRequires:	gtk3-devel >= 3.0.0
-BuildRequires:	pygobject3-devel
+BuildRequires:	pkgconfig(gtk+-3.0) >= 3.0.0
+BuildRequires:	pkgconfig(pygobject-3.0)
 BuildRequires:	python-devel
 %if %{use_python3}
 BuildRequires:	python3-devel
 %endif
 BuildRequires:	intltool
-BuildRequires:	glade-devel
+BuildRequires:	pkgconfig(gladeui-2.0)
 
 # For the girepository-1.0 directory
 Requires:	gobject-introspection%{?_isa}
@@ -110,6 +110,7 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor >&/dev/null || :
 - Update to 1.15.0 (#1235615)
 - Update URL
 - Use license macro for COPYING
+- Use pkgconfig for BuildRequires
 
 * Wed Jun 17 2015 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.14.0-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_23_Mass_Rebuild