diff --git a/pidgin.spec b/pidgin.spec
index 018aadd..fc2f8ea 100644
--- a/pidgin.spec
+++ b/pidgin.spec
@@ -169,11 +169,10 @@ This package provides the upstream default configuration for Pidgin.
 %package -n libpurple-devel
 Summary:        Development Headers, Documentation, and Libraries for libpurple
 Group:          Development/Libraries/C and C++
-Requires:       NetworkManager-devel
-Requires:       NetworkManager-glib
-Requires:       glib2-devel
 Requires:       libpurple = %{version}
-Requires:       libxml2-devel
+Requires:       pkgconfig(NetworkManager)
+Requires:       pkgconfig(glib-2.0)
+Requires:       pkgconfig(libxml-2.0)
 
 %description -n libpurple-devel
 The libpurple-devel package contains the header files, developer
@@ -217,10 +216,10 @@ and text.
 Summary:        Headers etc. for finch Stuffs
 Group:          Development/Libraries/C and C++
 Requires:       finch = %{version}
-Requires:       glib2-devel
 Requires:       glibc-devel
 Requires:       libpurple-devel = %{version}
 Requires:       ncurses-devel
+Requires:       pkgconfig(glib-2.0)
 
 %description -n finch-devel
 The finch-devel package contains the header files, developer