diff --git a/configure.ac b/configure.ac
index cc2e83e..11ee455 100644
--- a/configure.ac
+++ b/configure.ac
@@ -24,6 +24,10 @@ XCBPROTO_XCBINCLUDEDIR=`$PKG_CONFIG --variable=xcbincludedir xcb-proto`
 AC_MSG_RESULT($XCBPROTO_XCBINCLUDEDIR)
 AC_SUBST(XCBPROTO_XCBINCLUDEDIR)
 
+# Find the xcb-proto version
+XCBPROTO_VERSION=`$PKG_CONFIG --modversion xcb-proto`
+AC_SUBST(XCBPROTO_VERSION)
+
 AC_OUTPUT([Makefile
 	xcb-errors.pc
 	])
diff --git a/xcb-errors.pc.in b/xcb-errors.pc.in
index f292712..c0842d5 100644
--- a/xcb-errors.pc.in
+++ b/xcb-errors.pc.in
@@ -2,6 +2,7 @@ prefix=@prefix@
 exec_prefix=@exec_prefix@
 libdir=@libdir@
 includedir=@includedir@
+xcbproto_version=@XCBPROTO_VERSION@
 
 Name: XCB errors library
 Description: XCB errors utility library