diff --git a/Include/modsupport.h b/Include/modsupport.h
index 220a47c..206cbc7 100644
--- a/Include/modsupport.h
+++ b/Include/modsupport.h
@@ -59,8 +59,8 @@
 extern int PyArg_VaParse Py_PROTO((PyObject *, char *, va_list));
 extern PyObject *Py_VaBuildValue Py_PROTO((char *, va_list));
 
-#define PYTHON_API_VERSION 1006
-#define PYTHON_API_STRING "1006"
+#define PYTHON_API_VERSION 1007
+#define PYTHON_API_STRING "1007"
 /* The API version is maintained (independently from the Python version)
    so we can detect mismatches between the interpreter and dynamically
    loaded modules.  These are diagnosticised by an error message but
@@ -74,6 +74,8 @@
    Please add a line or two to the top of this log for each API
    version change:
 
+   18-Jan-1997	GvR	string interning and other speedups
+
    11-Oct-1996	GvR	renamed Py_Ellipses to Py_Ellipsis :-(
 
    30-Jul-1996	GvR	Slice and ellipses syntax added