diff --git a/site/content/en/docs/v0.3/_index.md b/site/content/en/docs/v0.4/_index.md
similarity index 75%
rename from site/content/en/docs/v0.3/_index.md
rename to site/content/en/docs/v0.4/_index.md
index eee978d8..e125baae 100755
--- a/site/content/en/docs/v0.3/_index.md
+++ b/site/content/en/docs/v0.4/_index.md
@@ -1,9 +1,9 @@
 ---
-title: v0.3 docs
+title: v0.4 docs
 cascade:
-  version: v0.3
-  versName: &name v0.3
-  git_version_tag: v0.3
+  version: v0.4
+  versName: &name v0.4
+  git_version_tag: v0.4
   exclude_search: false
 linkTitle: *name
 simple_list: true
diff --git a/site/content/en/docs/v0.3/contribution-guidelines/_index.md b/site/content/en/docs/v0.4/contribution-guidelines/_index.md
similarity index 100%
rename from site/content/en/docs/v0.3/contribution-guidelines/_index.md
rename to site/content/en/docs/v0.4/contribution-guidelines/_index.md
diff --git a/site/content/en/docs/v0.3/examples/_index.md b/site/content/en/docs/v0.4/examples/_index.md
similarity index 100%
rename from site/content/en/docs/v0.3/examples/_index.md
rename to site/content/en/docs/v0.4/examples/_index.md
diff --git a/site/content/en/docs/v0.3/getting-started/_index.md b/site/content/en/docs/v0.4/getting-started/_index.md
similarity index 100%
rename from site/content/en/docs/v0.3/getting-started/_index.md
rename to site/content/en/docs/v0.4/getting-started/_index.md
diff --git a/site/content/en/docs/v0.3/overview/_index.md b/site/content/en/docs/v0.4/overview/_index.md
similarity index 100%
rename from site/content/en/docs/v0.3/overview/_index.md
rename to site/content/en/docs/v0.4/overview/_index.md
diff --git a/site/content/en/docs/v0.3/reference/_index.md b/site/content/en/docs/v0.4/reference/_index.md
similarity index 100%
rename from site/content/en/docs/v0.3/reference/_index.md
rename to site/content/en/docs/v0.4/reference/_index.md
diff --git a/site/content/en/docs/v0.3/reference/api.md b/site/content/en/docs/v0.4/reference/api.md
similarity index 100%
rename from site/content/en/docs/v0.3/reference/api.md
rename to site/content/en/docs/v0.4/reference/api.md
diff --git a/site/hugo.yaml b/site/hugo.yaml
index a2318a1a..e74af704 100644
--- a/site/hugo.yaml
+++ b/site/hugo.yaml
@@ -53,11 +53,11 @@ params:
 
   version_menu: Releases
   archived_version: false
-  version: v0.3
+  version: v0.4
   url_latest_version: https://etcd.aenix.io/docs/latest
   versions:
-    - version: v0.3
-      url: https://etcd.aenix.io/docs/v0.3
+    - version: v0.4
+      url: https://etcd.aenix.io/docs/v0.4
 
   copyright:
     authors: "Aenix.io | "