diff --git a/.travis.yml b/.travis.yml
index 60e70876..4827c2a4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,8 @@
 language: go
 go:
-  - 1.4.2
-  - 1.5.1
+  - 1.4.3
+  - 1.5.3
+  - 1.6
 sudo: false
 before_install:
   - gotools=golang.org/x/tools
diff --git a/README.md b/README.md
index 41d32487..2efacc2e 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,7 @@ active development.
 
 ## Requirements
 
-[Go](http://golang.org) 1.3 or newer.
+[Go](http://golang.org) 1.5 or newer.
 
 ## Installation