diff --git a/configure.ac b/configure.ac
index 9afa9d98b..4180bfe53 100644
--- a/configure.ac
+++ b/configure.ac
@@ -16,7 +16,7 @@
 # problem to the user.
 AC_PREREQ([2.59])
 
-m4_define([ngspice_major_version], [35+])
+m4_define([ngspice_major_version], [36])
 m4_define([ngspice_minor_version], [0])
 m4_define([ngspice_version],
       [ngspice_major_version])
@@ -117,7 +117,7 @@ LT_INIT([shared static])
 #  --> Set 'LT_NGSPICE_AGE' to 0.
 
 LT_NGSPICE_CURRENT=0
-LT_NGSPICE_REVISION=1
+LT_NGSPICE_REVISION=2
 LT_NGSPICE_AGE=0
 LIBNGSPICE_SO_VERSION=$LT_NGSPICE_CURRENT.$LT_NGSPICE_REVISION.$LT_NGSPICE_AGE