diff --git a/README.md b/README.md
index a48f769..80b0b81 100644
--- a/README.md
+++ b/README.md
@@ -71,7 +71,7 @@ You can select which Go release to work with through the `-go` command line flag
 to xgo and if the specific release was already integrated, it will automatically
 be retrieved and installed.
 
-    $ xgo -go 1.3.3 github.com/project-iris/iris
+    $ xgo -go 1.4 github.com/project-iris/iris
 
 Since xgo depends on not only the official releases, but also on Dave Cheney's
 ARM packages, there will be a slight delay between official Go updates and the
@@ -80,7 +80,7 @@ xgo updates.
 Additionally, a few wildcard release strings are also supported:
 
   - `latest` will use the latest Go release
-  - `1.3.x` will use the latest point release of a specific Go version
+  - `1.4.x` will use the latest point release of a specific Go version
 
 ### Output prefixing