Pre-release version bump
diff --git a/configure.ac b/configure.ac
index 7279b1a..9ccd7d0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -54,7 +54,7 @@
 
 m4_define([pixman_major], 0)
 m4_define([pixman_minor], 17)
-m4_define([pixman_micro], 5)
+m4_define([pixman_micro], 6)
 
 m4_define([pixman_version],[pixman_major.pixman_minor.pixman_micro])