diff --git a/ChangeLog b/ChangeLog
index a52d9cf..de5b22d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
 2006-05-30  Kristian Høgsberg  <krh@redhat.com>
 
+	* poppler-glib.pc.in: 
+	* configure.ac: Add poppler as a private requires if pkg-config
+	supports it.
+
+2006-05-30  Kristian Høgsberg  <krh@redhat.com>
+
 	* test/gtk-cairo-test.cc: Add --page option to gtk-cairo-test.
 
 2006-05-29  Jeff Muizelaar  <jeff@infidigm.net>
diff --git a/configure.ac b/configure.ac
index 8520dd9..3b935f4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -304,6 +304,17 @@
 		-fno-common $CXXFLAGS" ;;
 esac
 
+case $($PKG_CONFIG --version) in
+  0.?|0.1[0-7])
+    PC_REQUIRES_PRIVATE="";
+    PC_REQUIRES="poppler = $VERSION";;
+  *)
+    PC_REQUIRES_PRIVATE="Requires.private: poppler = $VERSION";
+    PC_REQUIRES="";;
+esac
+
+AC_SUBST(PC_REQUIRES)
+AC_SUBST(PC_REQUIRES_PRIVATE)
 
 AC_OUTPUT([
 Makefile
diff --git a/poppler-glib.pc.in b/poppler-glib.pc.in
index 9f44ecd..2b79945 100644
--- a/poppler-glib.pc.in
+++ b/poppler-glib.pc.in
@@ -6,7 +6,8 @@
 Name: poppler-glib
 Description: GLib wrapper for poppler
 Version: @VERSION@
-Requires: poppler = @VERSION@ gobject-2.0 gdk-2.0 gdk-pixbuf-2.0 @CAIRO_REQ@
+Requires: @PC_REQUIRES@ gobject-2.0 gdk-2.0 gdk-pixbuf-2.0 @CAIRO_REQ@
+@PC_REQUIRES_PRIVATE@
 
 Libs: -L${libdir} -lpoppler-glib
 Cflags: -I${includedir}/poppler/glib