diff --git a/configure.ac b/configure.ac
index dc6b666..11c40d7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3,9 +3,9 @@ AC_PREREQ([2.60])
 define(_CLIENT_VERSION_MAJOR, 0)
 define(_CLIENT_VERSION_MINOR, 12)
 define(_CLIENT_VERSION_REVISION, 2)
-define(_CLIENT_VERSION_BUILD, 3)
+define(_CLIENT_VERSION_BUILD, 4)
 define(_CLIENT_VERSION_IS_RELEASE, true)
-define(_COPYRIGHT_YEAR, 2017)
+define(_COPYRIGHT_YEAR, 2018)
 AC_INIT([Mogwai Core],[_CLIENT_VERSION_MAJOR._CLIENT_VERSION_MINOR._CLIENT_VERSION_REVISION],[https://github.com/mogwaicoin/mogwai/issues],[mogwaicore])
 AC_CONFIG_SRCDIR([src/validation.cpp])
 AC_CONFIG_HEADERS([src/config/mogwai-config.h])
diff --git a/doc/Doxyfile b/doc/Doxyfile
index a27db18..d2fbdc7 100644
--- a/doc/Doxyfile
+++ b/doc/Doxyfile
@@ -34,7 +34,7 @@ PROJECT_NAME           = "Mogwai Core"
 # This could be handy for archiving the generated documentation or
 # if some version control system is used.
 
-PROJECT_NUMBER         = 0.12.2.3
+PROJECT_NUMBER         = 0.12.2.4
 
 # 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
diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index 1e25e7c..52b0fb5 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -120,7 +120,7 @@ class CMainParams : public CChainParams {
 		consensus.fPowAllowMinDifficultyBlocks = false;
 		consensus.fPowNoRetargeting = false;
 		consensus.nPowKGWHeight = 15200;
-		consensus.nPowDGWHeight = 34140;
+		consensus.nPowDGWHeight = 22500;
 		consensus.nRuleChangeActivationThreshold = 1916; // 95% of 2016
 		consensus.nMinerConfirmationWindow = 2016; // nPowTargetTimespan / nPowTargetSpacing
 		consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
diff --git a/src/clientversion.h b/src/clientversion.h
index 9b99770..19613b9 100644
--- a/src/clientversion.h
+++ b/src/clientversion.h
@@ -17,7 +17,7 @@
 #define CLIENT_VERSION_MAJOR 0
 #define CLIENT_VERSION_MINOR 12
 #define CLIENT_VERSION_REVISION 2
-#define CLIENT_VERSION_BUILD 3
+#define CLIENT_VERSION_BUILD 4
 
 //! Set to true for release, false for prerelease or test build
 #define CLIENT_VERSION_IS_RELEASE true