diff --git a/configure.ac b/configure.ac
index e6e78d947..b851798f5 100755
--- a/configure.ac
+++ b/configure.ac
@@ -8,7 +8,7 @@
 ##------------------------------------------------------------##
 
 # Process this file with autoconf to produce a configure script.
-AC_INIT([Valgrind],[3.18.0],[valgrind-users@lists.sourceforge.net])
+AC_INIT([Valgrind],[3.18.1],[valgrind-users@lists.sourceforge.net])
 AC_CONFIG_SRCDIR(coregrind/m_main.c)
 AC_CONFIG_HEADERS([config.h])
 AM_INIT_AUTOMAKE([foreign dist-bzip2 subdir-objects])
diff --git a/include/valgrind.h b/include/valgrind.h
index ae04c0faa..04254df8c 100644
--- a/include/valgrind.h
+++ b/include/valgrind.h
@@ -89,7 +89,7 @@
         || (__VALGRIND_MAJOR__ == 3 && __VALGRIND_MINOR__ >= 6))
 */
 #define __VALGRIND_MAJOR__    3
-#define __VALGRIND_MINOR__    17
+#define __VALGRIND_MINOR__    18
 
 
 #include <stdarg.h>