diff --git a/src/corelib/global/qglobal.h b/src/corelib/global/qglobal.h
index a171f0894b..2d3a78db01 100644
--- a/src/corelib/global/qglobal.h
+++ b/src/corelib/global/qglobal.h
@@ -41,11 +41,11 @@
 
 #include <stddef.h>
 
-#define QT_VERSION_STR   "5.5.0"
+#define QT_VERSION_STR   "5.6.0"
 /*
    QT_VERSION is (major << 16) + (minor << 8) + patch.
 */
-#define QT_VERSION 0x050500
+#define QT_VERSION 0x050600
 /*
    can be used like #if (QT_VERSION >= QT_VERSION_CHECK(4, 4, 0))
 */
diff --git a/src/corelib/io/qdatastream.h b/src/corelib/io/qdatastream.h
index 436bf8dd57..b87dbe4784 100644
--- a/src/corelib/io/qdatastream.h
+++ b/src/corelib/io/qdatastream.h
@@ -83,10 +83,11 @@ public:
         Qt_5_3 = Qt_5_2,
         Qt_5_4 = 16,
         Qt_5_5 = Qt_5_4,
-#if QT_VERSION >= 0x050600
+        Qt_5_6 = Qt_5_5,
+#if QT_VERSION >= 0x050700
 #error Add the datastream version for this Qt version and update Qt_DefaultCompiledVersion
 #endif
-        Qt_DefaultCompiledVersion = Qt_5_5
+        Qt_DefaultCompiledVersion = Qt_5_6
     };
 
     enum ByteOrder {