diff --git a/src/sendalert.cpp b/src/sendalert.cpp
index a2cd90b3..e938b5dc 100644
--- a/src/sendalert.cpp
+++ b/src/sendalert.cpp
@@ -77,8 +77,8 @@ void ThreadSendAlert()
 
     // These versions are protocol versions
     // 170002 : 1.0.0
-    alert.nMinVer       = 170002;
-    alert.nMaxVer       = 170002;
+    alert.nMinVer       = 180002;
+    alert.nMaxVer       = 180002;
 
     //
     // main.cpp:
diff --git a/src/version.h b/src/version.h
index 91a46403..b8fbbffb 100644
--- a/src/version.h
+++ b/src/version.h
@@ -9,7 +9,7 @@
  * network protocol versioning
  */
 
-static const int PROTOCOL_VERSION = 170002;
+static const int PROTOCOL_VERSION = 180002;
 
 //! initial proto version, to be increased after version/verack negotiation
 static const int INIT_PROTO_VERSION = 209;
@@ -18,7 +18,7 @@ static const int INIT_PROTO_VERSION = 209;
 static const int GETHEADERS_VERSION = 31800;
 
 //! disconnect from peers older than this proto version
-static const int MIN_PEER_PROTO_VERSION = 170002;
+static const int MIN_PEER_PROTO_VERSION = 180002;
 
 //! nTime field added to CAddress, starting with this version;
 //! if possible, avoid requesting addresses nodes older than this