Bump webkit version to 1.6.0-alpha01

Change-Id: I7869f44d68628032d9cdc7479b3cfeb14d9ca732
diff --git a/libraryversions.toml b/libraryversions.toml
index 9377182..d36e717 100644
--- a/libraryversions.toml
+++ b/libraryversions.toml
@@ -129,7 +129,7 @@
 WEAR_REMOTE_INTERACTIONS = "1.1.0-alpha01"
 WEAR_TILES = "1.1.0-beta01"
 WEAR_WATCHFACE = "1.2.0-alpha01"
-WEBKIT = "1.5.0-rc01"
+WEBKIT = "1.6.0-alpha01"
 WINDOW = "1.1.0-alpha03"
 WINDOW_EXTENSIONS = "1.1.0-alpha01"
 WINDOW_SIDECAR = "1.0.0-rc01"