diff --git a/configure.ac b/configure.ac
index c5a9c387..a17f8ebf 100644
--- a/configure.ac
+++ b/configure.ac
@@ -13,7 +13,7 @@ AC_SUBST(VERSION)
 ISODATE=`date +%Y-%m-%d`
 AC_SUBST(ISODATE)
 
-SODIUM_LIBRARY_VERSION=1:0:1
+SODIUM_LIBRARY_VERSION=1:1:1
 #                      | | |
 #               +------+ | +---+
 #               |        |     |