diff --git a/configure.ac b/configure.ac
index 3bf23299c..a4e3dca72 100644
--- a/configure.ac
+++ b/configure.ac
@@ -16,7 +16,7 @@
 # problem to the user.
 AC_PREREQ([2.59])
 
-m4_define([ngspice_major_version], [38])
+m4_define([ngspice_major_version], [38+])
 m4_define([ngspice_minor_version], [0])
 m4_define([ngspice_version],
       [ngspice_major_version])
@@ -118,7 +118,7 @@ LT_INIT([shared static])
 
 LT_NGSPICE_CURRENT=0
 LT_NGSPICE_REVISION=5
-LT_NGSPICE_AGE=0
+LT_NGSPICE_AGE=1
 LIBNGSPICE_SO_VERSION=$LT_NGSPICE_CURRENT.$LT_NGSPICE_REVISION.$LT_NGSPICE_AGE
 
 # Announce the libtool version
diff --git a/src/include/ngspice/sharedspice.h b/src/include/ngspice/sharedspice.h
index ee67ab30d..77a048150 100644
--- a/src/include/ngspice/sharedspice.h
+++ b/src/include/ngspice/sharedspice.h
@@ -45,6 +45,11 @@ The caller may then directly assess the vector data (but probably should
 not modify them).
 
 ***************** If XSPICE is enabled *************************************
+**
+ngCM_Input_Path(const char*)
+sets the input path for files loaded by code models.
+If NULL is sent, return the current Infile_Path.
+
 **
 ngGet_Evt_NodeInfo(char*)
 receives the name of a event node vector (may be in the form 'vectorname' or
@@ -92,7 +97,7 @@ are of type bool if sharedspice.h is used externally.
 */
 
 #ifndef NGSPICE_PACKAGE_VERSION
-#define NGSPICE_PACKAGE_VERSION "38"
+#define NGSPICE_PACKAGE_VERSION "38+"
 #endif
 /* we have NG_BOOL instead of BOOL */
 #ifndef HAS_NG_BOOL
diff --git a/visualc/src/include/ngspice/config.h b/visualc/src/include/ngspice/config.h
index 22b371009..fcfbee658 100644
--- a/visualc/src/include/ngspice/config.h
+++ b/visualc/src/include/ngspice/config.h
@@ -15,7 +15,7 @@
 #define PACKAGE "ngspice"
 
 /* Version number of package */
-#define VERSION "38"
+#define VERSION "38+"
 
 /* Define the directory for executables */
 #define NGSPICEBINDIR "../bin"