diff --git a/src/webengine/doc/src/qtwebengine-platform-notes.qdoc b/src/webengine/doc/src/qtwebengine-platform-notes.qdoc
index 9a59f1f1f8b9eb61dfe93959713f7843b59e313c..119e64279445e5c954af299028fdaa0cc8374152 100644
--- a/src/webengine/doc/src/qtwebengine-platform-notes.qdoc
+++ b/src/webengine/doc/src/qtwebengine-platform-notes.qdoc
@@ -104,8 +104,8 @@
     On OS X, the following are required:
 
     \list
-        \li OS X 10.10 or later
-        \li Xcode 6.3 or later
+        \li OS X 10.9 or later
+        \li Xcode 5.1 or later
         \li OS X 10.10 SDK or later
     \endlist
 
diff --git a/tools/qmake/mkspecs/features/functions.prf b/tools/qmake/mkspecs/features/functions.prf
index d109e28593e08efc65f905a0994855fc32825255..94aa617e7f0666db71a36c1b35574c4d8167f1fb 100644
--- a/tools/qmake/mkspecs/features/functions.prf
+++ b/tools/qmake/mkspecs/features/functions.prf
@@ -43,14 +43,14 @@ defineTest(isPlatformSupported) {
       return(false)
     }
   } else:osx {
-    lessThan(QMAKE_XCODE_VERSION, 6.3) {
-      skipBuild("Using XCode version $$QMAKE_XCODE_VERSION, but at least version 6.3 is required to build Qt WebEngine.")
+    lessThan(QMAKE_XCODE_VERSION, 5.1) {
+      skipBuild("Using XCode version $$QMAKE_XCODE_VERSION, but at least version 5.1 is required to build Qt WebEngine.")
       return(false)
     }
-    # We require OS X 10.10 (darwin version 14.0.0) or newer
+    # We require OS X 10.9 (darwin version 13.0.0) or newer
     darwin_major_version = $$section(QMAKE_HOST.version, ., 0, 0)
-    lessThan(darwin_major_version, 14) {
-      skipBuild("Qt WebEngine requires OS X version 10.10 or newer.")
+    lessThan(darwin_major_version, 13) {
+      skipBuild("Qt WebEngine requires OS X version 10.9 or newer.")
       return(false)
     }
     !isMinOSXSDKVersion(10, 10): {