diff --git a/helm/index.yaml b/helm/index.yaml
index f0908a6d5..4e6e4ac38 100644
--- a/helm/index.yaml
+++ b/helm/index.yaml
@@ -1,6 +1,15 @@
 apiVersion: v1
 entries:
   seaweedfs:
+  - apiVersion: v1
+    appVersion: "4.20"
+    created: "2026-04-13T23:55:26.101558654Z"
+    description: SeaweedFS
+    digest: b8d13a1b33776fb9dc0ade4da3e48588c1ccc9f14f9b6a91c2e08114d7be6577
+    name: seaweedfs
+    urls:
+    - https://seaweedfs.github.io/seaweedfs/helm/seaweedfs-4.20.0.tgz
+    version: 4.20.0
   - apiVersion: v1
     appVersion: "4.19"
     created: "2026-04-08T06:46:39.275679438Z"
@@ -658,4 +667,4 @@ entries:
     urls:
     - https://seaweedfs.github.io/seaweedfs/helm/seaweedfs-3.42.tgz
     version: "3.42"
-generated: "2026-04-08T06:46:39.269367337Z"
+generated: "2026-04-13T23:55:26.097178793Z"
diff --git a/helm/seaweedfs-4.20.0.tgz b/helm/seaweedfs-4.20.0.tgz
new file mode 100644
index 000000000..2d9920d3b
Binary files /dev/null and b/helm/seaweedfs-4.20.0.tgz differ