diff --git a/configure.ac b/configure.ac
index 4c78470..5c58ed1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -20,7 +20,7 @@
 dnl Process this file with autoconf to produce a configure script.
 
 AC_PREREQ(2.59)
-AC_INIT(s3fs, 1.87)
+AC_INIT(s3fs, 1.88)
 AC_CONFIG_HEADER([config.h])
 
 AC_CANONICAL_SYSTEM