Update README.md
diff --git a/README.md b/README.md
index 45d8c14..f8a5cb9 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@
 
 # usage
 
-Install using `go get github.com/klauspost/crc32`. This library is based on Go 1.4.2 code and requires Go 1.3 or newer.
+Install using `go get github.com/klauspost/crc32`. This library is based on Go 1.5 code and requires Go 1.3 or newer.
 
 Replace `import "hash/crc32"` with `import "github.com/klauspost/crc32"` and you are good to go.