diff --git a/shadowsocks-rust-1.20.0.tar.gz b/shadowsocks-rust-1.20.0.tar.gz
deleted file mode 100644
index f0dd99b..0000000
--- a/shadowsocks-rust-1.20.0.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:c818124252528886dd2a26c0f4730a34cdeb5764c3812cae0d98e9fc9c1d8ce9
-size 451311
diff --git a/shadowsocks-rust-1.20.4.tar.gz b/shadowsocks-rust-1.20.4.tar.gz
new file mode 100644
index 0000000..6cf2dbc
--- /dev/null
+++ b/shadowsocks-rust-1.20.4.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cf064ad157974b3e396aab3bb60aab380dbc4e11b736603bfbc8e7a138f6bb26
+size 453391
diff --git a/shadowsocks-rust.changes b/shadowsocks-rust.changes
index ef5c6d5..137cd11 100644
--- a/shadowsocks-rust.changes
+++ b/shadowsocks-rust.changes
@@ -1,3 +1,20 @@
+-------------------------------------------------------------------
+Thu Sep 12 13:19:28 UTC 2024 - Hillwood Yang <hillwood@opensuse.org>
+
+- Update version to 1.20.4
+  * Updated rustls to v0.23 with ring backend
+  * local-redir, server: Better approach to check current platform IP stack
+    capabilities like Go (IPv4, IPv6, IPv4-mapped-IPv6 supports)
+  * Explicitly enable dual-stack if listen addresses (server, local_address)
+    are IPv4-mapped-IPv6, by setting IPV6_V6ONLY=0
+  * PingBalancer check Firefox portal allowing 200 HTTP status
+  * Ping Balancer scores replaced standard deviation with median absolute
+    deviation, which should help focusing less on outlying observations in
+    latency samples
+  * local: Allow configuring SOCKS5 UDP_ASSOCIATE address
+  * ProxyServerStream::from_stream made public
+  * Fix bugs
+
 -------------------------------------------------------------------
 Sun Jun 16 09:07:43 UTC 2024 - Hillwood Yang <hillwood@opensuse.org>
 
diff --git a/shadowsocks-rust.spec b/shadowsocks-rust.spec
index 080d068..cf6ff48 100644
--- a/shadowsocks-rust.spec
+++ b/shadowsocks-rust.spec
@@ -17,7 +17,7 @@
 
 
 Name:           shadowsocks-rust
-Version:        1.20.0
+Version:        1.20.4
 Release:        0
 Summary:        Rust port of Shadowsocks
 License:        MIT
diff --git a/vendor.tar.gz b/vendor.tar.gz
index 1935e9a..b5f2c96 100644
--- a/vendor.tar.gz
+++ b/vendor.tar.gz
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:2f9ea72699b8e813c755be6067826151782aed5dcf9d9b27fdc66f6c1db594b0
-size 93151494
+oid sha256:e199a4cc1b03625deea230f9f890b12b498af274250891031727c6dfc2ecfb27
+size 84349967