diff --git a/Cargo.lock b/Cargo.lock
index ff286dd59353..e365d033b70b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1306,9 +1306,9 @@ dependencies = [
 
 [[package]]
 name = "ipnet"
-version = "2.8.0"
+version = "2.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "28b29a3cd74f0f4598934efe3aeba42bae0eb4680554128851ebbecb02af14e6"
+checksum = "8f518f335dce6725a761382244631d86cf0ccb2863413590b31338feb467f9c3"
 
 [[package]]
 name = "iprange"
diff --git a/Cargo.toml b/Cargo.toml
index 4aeb9d9def7d..f9809f96a465 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -184,7 +184,7 @@ futures = "0.3"
 tokio = { version = "1", features = ["rt", "signal"] }
 num_cpus = "1.15"
 
-ipnet = { version = "2.7", optional = true }
+ipnet = { version = "2.9", optional = true }
 
 mimalloc = { version = "0.1", default-features = false, optional = true }
 tcmalloc = { version = "0.3", optional = true }
diff --git a/crates/shadowsocks-service/Cargo.toml b/crates/shadowsocks-service/Cargo.toml
index 9e3d0cbf0023..de2a27110617 100644
--- a/crates/shadowsocks-service/Cargo.toml
+++ b/crates/shadowsocks-service/Cargo.toml
@@ -152,7 +152,7 @@ hickory-resolver = { version = "0.24", optional = true, features = [
 ] }
 
 idna = "0.4"
-ipnet = "2.7"
+ipnet = "2.9"
 iprange = "0.6"
 regex = "1.4"