diff --git a/bigtable/doc.go b/bigtable/doc.go
index 37d06c035cc2..f21ac5bb2295 100644
--- a/bigtable/doc.go
+++ b/bigtable/doc.go
@@ -117,8 +117,8 @@ const (
 )
 
 // clientUserAgent identifies the version of this package.
-// It should be bumped upon significant changes only.
-const clientUserAgent = "cbt-go/20180601"
+// It should be the same as https://pkg.go.dev/cloud.google.com/go/bigtable.
+const clientUserAgent = "cbt-go/v1.6.0"
 
 // resourcePrefixHeader is the name of the metadata header used to indicate
 // the resource being operated on.