diff --git a/configure.ac b/configure.ac
index 2c7e01a..43cdcae 100755
--- 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, 1)
-define(_CLIENT_VERSION_MINOR, 0)
-define(_CLIENT_VERSION_REVISION, 5)
+define(_CLIENT_VERSION_MINOR, 1)
+define(_CLIENT_VERSION_REVISION, 0)
 define(_CLIENT_VERSION_BUILD, 0)
 define(_CLIENT_VERSION_IS_RELEASE, true)
 define(_COPYRIGHT_YEAR, 2018)
diff --git a/contrib/macdeploy/macdeployqtplus b/contrib/macdeploy/macdeployqtplus
index d49e088..181cfc7 100755
--- a/contrib/macdeploy/macdeployqtplus
+++ b/contrib/macdeploy/macdeployqtplus
@@ -714,7 +714,7 @@ elif config.sign:
 
 # ------------------------------------------------
 
-input('On some systems it may be useful to copy libboost_system-mt.dylib to the app file in dist folder now. Then press <ENTER> to continue')
+input('On some systems it may be useful to copy libboost_system-mt.dylib to the app file frameworks folder in dist folder now. Then press <ENTER> to continue')
 
 
 if config.dmg is not None:
diff --git a/src/clientversion.h b/src/clientversion.h
index 0780d16..cb703b9 100755
--- a/src/clientversion.h
+++ b/src/clientversion.h
@@ -15,8 +15,8 @@
 
 //! These need to be macros, as clientversion.cpp's and mirai*-res.rc's voodoo requires it
 #define CLIENT_VERSION_MAJOR 1
-#define CLIENT_VERSION_MINOR 0
-#define CLIENT_VERSION_REVISION 5
+#define CLIENT_VERSION_MINOR 1
+#define CLIENT_VERSION_REVISION 0
 #define CLIENT_VERSION_BUILD 0
 //bitcoingui.cpp L116
 //! Set to true for release, false for prerelease or test build
diff --git a/src/pow.cpp b/src/pow.cpp
index 40cf42b..4820c2e 100755
--- a/src/pow.cpp
+++ b/src/pow.cpp
@@ -37,8 +37,13 @@ unsigned int GetNextWorkRequired(const CBlockIndex* pindexLast, const CBlockHead
         uint256 bnTargetLimit = (~uint256(0) >> 20);
 		
         int64_t nTargetSpacing = Params().TargetSpacing();
-        int64_t nTargetTimespan = Params().TargetTimespan()*40;
- 
+        int64_t nTargetTimespan;
+        
+        // fix difficulty adjustment       
+        if (pindexLast->nHeight <= 5400)
+        	nTargetTimespan = Params().TargetTimespan()*40; // this is 40 days. currently breaking Diff adjustment
+ 		if (pindexLast->nHeight > 5400)
+ 			nTargetTimespan = 42 * 5 * 60; // ~42 blocks. the meaning of blockchain 
         int64_t nActualSpacing = 0;
         if (pindexLast->nHeight != 0)
             nActualSpacing = pindexLast->GetBlockTime() - pindexLast->pprev->GetBlockTime();
diff --git a/src/spork.h b/src/spork.h
index 98e597f..a579e51 100755
--- a/src/spork.h
+++ b/src/spork.h
@@ -53,8 +53,8 @@ using namespace boost;
 #define SPORK_12_RECONSIDER_BLOCKS_DEFAULT 0
 #define SPORK_13_ENABLE_SUPERBLOCKS_DEFAULT 4070908800            //OFF
 #define SPORK_14_NEW_PROTOCOL_ENFORCEMENT_DEFAULT 4070908800      //OFF
-#define SPORK_15_NEW_PROTOCOL_ENFORCEMENT_2_DEFAULT 4070908800              // Age in seconds. This should be > MASTERNODE_REMOVAL_SECONDS to avoid
-#define SPORK_16_MN_WINNER_MINIMUM_AGE_DEFAULT 1500                                                                 // misconfigured new nodes in the list.
+#define SPORK_15_NEW_PROTOCOL_ENFORCEMENT_2_DEFAULT 1530262800		// (GMT): Friday, June 29, 2018 9:00:00 AM disconnect older clients in preperation for difficulty algo adjustment
+#define SPORK_16_MN_WINNER_MINIMUM_AGE_DEFAULT 1500                                                                 // Age in seconds. This should be > MASTERNODE_REMOVAL_SECONDS to avoid misconfigured new nodes in the list.
                                                                   // Set this to zero to emulate classic behaviour
 class CSporkMessage;
 class CSporkManager;
diff --git a/src/version.h b/src/version.h
index ca9df73..0cf8c4f 100755
--- a/src/version.h
+++ b/src/version.h
@@ -12,7 +12,7 @@
  * network protocol versioning
  */
 
-static const int PROTOCOL_VERSION = 70718;
+static const int PROTOCOL_VERSION = 70719;
 
 //! initial proto version, to be increased after version/verack negotiation
 static const int INIT_PROTO_VERSION = 209;
@@ -22,7 +22,7 @@ static const int GETHEADERS_VERSION = 70077;
 
 //! disconnect from peers older than this proto version
 static const int MIN_PEER_PROTO_VERSION_BEFORE_ENFORCEMENT = 70717;
-static const int MIN_PEER_PROTO_VERSION_AFTER_ENFORCEMENT = 70717;
+static const int MIN_PEER_PROTO_VERSION_AFTER_ENFORCEMENT = 70719;
 
 //! nTime field added to CAddress, starting with this version;
 //! if possible, avoid requesting addresses nodes older than this
@@ -30,7 +30,7 @@ static const int CADDR_TIME_VERSION = 31402;
 
 //! only request blocks from nodes outside this range of versions
 static const int NOBLKS_VERSION_START = 32000;
-static const int NOBLKS_VERSION_END = 32400;
+static const int NOBLKS_VERSION_END = 32400;  // does nothing
 
 //! BIP 0031, pong message, is enabled for all versions AFTER this one
 static const int BIP0031_VERSION = 60000;