diff --git a/README.md b/README.md
index ce61e550e01fb8e5f70976a333d71ff31d7a43c3..eebe91bd049c1cec32d256a1e8e70d8d8f494f17 100644
--- a/README.md
+++ b/README.md
@@ -20,9 +20,9 @@ the ``gcloud auth application-default`` command output for more information.
 
 ## Versioning
 
-The `master` branch contains the tip of development and corresponds to the `v2`
-branch. The `v1` branch will maintain source compatibility with the initial
-release.
+The `master` branch contains the tip of development and corresponds to the `v4`
+branch. The `v1`, `v2` and `v3` branches will maintain source compatibility with
+the initial release.
 
 ## Ingress style
 There are two supported ingress styles depending on `var.ingress_style` variable.