diff --git a/configure.ac b/configure.ac
index b324ac52d47b842a9a5c697cbe5b84fb82e9f989..54d7580bcc80cfd5f27c3a514f485da1a7067ad7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -11,7 +11,7 @@ AC_CONFIG_AUX_DIR([.])
 AC_CONFIG_HEADER([config.h])
 
 SHLIBMAJOR=2
-SHLIBMINOR=5
+SHLIBMINOR=6
 
 AC_CANONICAL_HOST