diff --git a/configure.ac b/configure.ac
--- a/configure.ac
+++ b/configure.ac
@@ -1,8 +1,8 @@
 dnl require autoconf 2.60 (AS_ECHO/AS_ECHO_N)
 AC_PREREQ([2.60])
 define(_CLIENT_VERSION_MAJOR, 0)
-define(_CLIENT_VERSION_MINOR, 17)
-define(_CLIENT_VERSION_REVISION, 3)
+define(_CLIENT_VERSION_MINOR, 18)
+define(_CLIENT_VERSION_REVISION, 0)
 define(_CLIENT_VERSION_BUILD, 0)
 define(_CLIENT_VERSION_IS_RELEASE, true)
 define(_COPYRIGHT_YEAR, 2018)
diff --git a/contrib/gitian-descriptors/gitian-linux.yml b/contrib/gitian-descriptors/gitian-linux.yml
--- a/contrib/gitian-descriptors/gitian-linux.yml
+++ b/contrib/gitian-descriptors/gitian-linux.yml
@@ -1,5 +1,5 @@
 ---
-name: "bitcoin-abc-0.17-linux"
+name: "bitcoin-abc-0.18-linux"
 enable_cache: true
 suites:
 - "xenial"
diff --git a/contrib/gitian-descriptors/gitian-osx.yml b/contrib/gitian-descriptors/gitian-osx.yml
--- a/contrib/gitian-descriptors/gitian-osx.yml
+++ b/contrib/gitian-descriptors/gitian-osx.yml
@@ -1,5 +1,5 @@
 ---
-name: "bitcoin-abc-0.17-osx"
+name: "bitcoin-abc-0.18-osx"
 enable_cache: true
 suites:
 - "xenial"
diff --git a/contrib/gitian-descriptors/gitian-win.yml b/contrib/gitian-descriptors/gitian-win.yml
--- a/contrib/gitian-descriptors/gitian-win.yml
+++ b/contrib/gitian-descriptors/gitian-win.yml
@@ -1,5 +1,5 @@
 ---
-name: "bitcoin-abc-0.17-win"
+name: "bitcoin-abc-0.18-win"
 enable_cache: true
 suites:
 - "xenial"
diff --git a/doc/Doxyfile b/doc/Doxyfile
--- a/doc/Doxyfile
+++ b/doc/Doxyfile
@@ -38,7 +38,7 @@
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 0.17.3
+PROJECT_NUMBER         = 0.18.0
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
diff --git a/doc/release-notes.md b/doc/release-notes.md
--- a/doc/release-notes.md
+++ b/doc/release-notes.md
@@ -1,6 +1,6 @@
-Bitcoin ABC version 0.17.3 is now available from:
+Bitcoin ABC version 0.18.0 is now available from:
 
-  <https://download.bitcoinabc.org/0.17.3/>
+  <https://download.bitcoinabc.org/0.18.0/>
 
 This release includes the following features and fixes:
  - Remove the bip9params configuration.
diff --git a/src/clientversion.h b/src/clientversion.h
--- a/src/clientversion.h
+++ b/src/clientversion.h
@@ -1,4 +1,5 @@
 // Copyright (c) 2009-2016 The Bitcoin Core developers
+// Copyright (c) 2017-2018 The Bitcoin developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
@@ -16,8 +17,8 @@
 //! These need to be macros, as clientversion.cpp's and bitcoin*-res.rc's voodoo
 //! requires it
 #define CLIENT_VERSION_MAJOR 0
-#define CLIENT_VERSION_MINOR 17
-#define CLIENT_VERSION_REVISION 3
+#define CLIENT_VERSION_MINOR 18
+#define CLIENT_VERSION_REVISION 0
 #define CLIENT_VERSION_BUILD 0
 
 //! Set to true for release, false for prerelease or test build
diff --git a/src/config/CMakeLists.txt b/src/config/CMakeLists.txt
--- a/src/config/CMakeLists.txt
+++ b/src/config/CMakeLists.txt
@@ -1,4 +1,4 @@
-# Copyright (c) 2017 The Bitcoin developers
+# Copyright (c) 2017-2018 The Bitcoin developers
 
 # This generates config.h which provides numerous defines
 # about the state of the plateform we are building on.
@@ -11,14 +11,14 @@
 
 # Version
 set(CLIENT_VERSION_MAJOR 0)
-set(CLIENT_VERSION_MINOR 17)
-set(CLIENT_VERSION_REVISION 3)
+set(CLIENT_VERSION_MINOR 18)
+set(CLIENT_VERSION_REVISION 0)
 set(CLIENT_VERSION_BUILD 0)
 
 option(CLIENT_VERSION_IS_RELEASE "Build a release version" OFF)
 
 # Copyright
-set(COPYRIGHT_YEAR 2017)
+set(COPYRIGHT_YEAR 2018)
 set(COPYRIGHT_HOLDERS "The %s developers")
 set(COPYRIGHT_HOLDERS_SUBSTITUTION Bitcoin)
 string(REPLACE "%s" ${COPYRIGHT_HOLDERS_SUBSTITUTION} COPYRIGHT_HOLDERS_FINAL ${COPYRIGHT_HOLDERS})
diff --git a/src/test/net_tests.cpp b/src/test/net_tests.cpp
--- a/src/test/net_tests.cpp
+++ b/src/test/net_tests.cpp
@@ -1,4 +1,5 @@
 // Copyright (c) 2012-2016 The Bitcoin Core developers
+// Copyright (c) 2017-2018 The Bitcoin developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 #include "addrman.h"
@@ -195,7 +196,7 @@
 
     BOOST_CHECK_EQUAL(userAgent(config).size(), MAX_SUBVERSION_LENGTH);
     BOOST_CHECK_EQUAL(userAgent(config),
-                      "/Bitcoin ABC:0.17.3(EB8.0; very very very very very "
+                      "/Bitcoin ABC:0.18.0(EB8.0; very very very very very "
                       "very very very very very very very very very very very "
                       "very very very very very very very very very very very "
                       "very very very very very very very very very very very "