diff --git a/configure.in b/configure.in
index 66dc6b6a..ac54431a 100644
--- a/configure.in
+++ b/configure.in
@@ -34,9 +34,9 @@ VIPS_VERSION_STRING=$VIPS_VERSION-`date`
 #   interface changes backwards compatible?: increment age
 #   interface changes not backwards compatible?: reset age to 0
 
-LIBRARY_CURRENT=31
-LIBRARY_REVISION=6
-LIBRARY_AGE=16
+LIBRARY_CURRENT=32
+LIBRARY_REVISION=0
+LIBRARY_AGE=0
 
 # patched into include/vips/version.h
 AC_SUBST(VIPS_VERSION)