diff --git a/libinstpatch.spec b/libinstpatch.spec
index 3bd7f88..b9df006 100644
--- a/libinstpatch.spec
+++ b/libinstpatch.spec
@@ -18,8 +18,10 @@ Patch0:         libinstpatch-cmake-fixes.patch
 BuildRequires:  cmake
 BuildRequires:  gcc
 
-BuildRequires:  glib2-devel
-BuildRequires:  libsndfile-devel
+BuildRequires:  pkgconfig(gobject-2.0)
+BuildRequires:  pkgconfig(glib-2.0)
+BuildRequires:  pkgconfig(gthread-2.0)
+BuildRequires:  pkgconfig(sndfile)
 
 %description
 libInstPatch stands for lib-Instrument-Patch and is a library for processing
@@ -71,6 +73,7 @@ applications that use %{name}.
 - Adjust whitespace and ordering to personal preference
 - Drop obsolete ldconfig scriptlets
 - Use much stricter file globs
+- Change library BR’s to pkgconfig() format
 
 * Tue Jan 26 2021 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.0-23.20110806svn386
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild