diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4877de28..194485a3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -26,7 +26,7 @@ INCLUDE (GNUInstallDirs) # include this *AFTER* PROJECT(), otherwise paths are w
 # For example, a version of 4:0:2 would generate output such as:
 #    libname.so   -> libname.so.2
 #    libname.so.2 -> libname.so.2.2.0
-SET (CARES_LIB_VERSIONINFO "7:0:5")
+SET (CARES_LIB_VERSIONINFO "7:1:5")
 
 
 OPTION (CARES_STATIC     "Build as a static library"                                             OFF)
diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index cdbc0434..d095749d 100644
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -1,3 +1,13 @@
+c-ares version 1.18.1
+
+This is an urgent bugfix release for a regression made in 1.18.0.
+
+Bug fixes:
+ o ares_getaddrinfo() would return ai_addrlen of 16 for ipv6
+   adddresses rather than the sizeof(struct sockaddr_in6)
+
+
+
 c-ares version 1.18.0
 
 This is a feature and bugfix release.  It addresses a couple of new feature
diff --git a/configure.ac b/configure.ac
index e1b20179..1621479f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3,7 +3,7 @@ AC_PREREQ([2.60])
 AC_INIT([c-ares], [1.18.0],
   [c-ares mailing list: http://lists.haxx.se/listinfo/c-ares])
 
-CARES_VERSION_INFO="7:0:5"
+CARES_VERSION_INFO="7:1:5"
 dnl This flag accepts an argument of the form current[:revision[:age]]. So,
 dnl passing -version-info 3:12:1 sets current to 3, revision to 12, and age to
 dnl 1.
diff --git a/include/ares_version.h b/include/ares_version.h
index 1d8e6e96..22c6f62f 100644
--- a/include/ares_version.h
+++ b/include/ares_version.h
@@ -7,11 +7,11 @@
 
 #define ARES_VERSION_MAJOR 1
 #define ARES_VERSION_MINOR 18
-#define ARES_VERSION_PATCH 0
+#define ARES_VERSION_PATCH 1
 #define ARES_VERSION ((ARES_VERSION_MAJOR<<16)|\
                        (ARES_VERSION_MINOR<<8)|\
                        (ARES_VERSION_PATCH))
-#define ARES_VERSION_STR "1.18.0"
+#define ARES_VERSION_STR "1.18.1"
 
 #if (ARES_VERSION >= 0x010700)
 #  define CARES_HAVE_ARES_LIBRARY_INIT 1