diff --git a/Cargo.lock b/Cargo.lock
index d483d2ab5b14..fe5d7a3be493 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1375,9 +1375,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.11.0"
+version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b10983b38c53aebdf33f542c6275b0f58a238129d00c4ae0e6fb59738d783ca"
+checksum = "7709cef83f0c1f58f666e746a08b21e0085f7440fa6a29cc194d68aac97a4225"
 
 [[package]]
 name = "opaque-debug"
diff --git a/crates/shadowsocks-service/Cargo.toml b/crates/shadowsocks-service/Cargo.toml
index a0ab0b386772..d38e25a6b348 100644
--- a/crates/shadowsocks-service/Cargo.toml
+++ b/crates/shadowsocks-service/Cargo.toml
@@ -88,7 +88,7 @@ log = "0.4"
 
 cfg-if = "1"
 pin-project = "1.0"
-once_cell = "1.8"
+once_cell = "1.12"
 thiserror = "1.0"
 arc-swap = "1.3"
 
diff --git a/crates/shadowsocks/Cargo.toml b/crates/shadowsocks/Cargo.toml
index f14b17ed5fbe..92d006729f35 100644
--- a/crates/shadowsocks/Cargo.toml
+++ b/crates/shadowsocks/Cargo.toml
@@ -55,7 +55,7 @@ cfg-if = "1"
 byte_string = "1.0"
 base64 = "0.13"
 url = "2.2"
-once_cell = "1.8"
+once_cell = "1.12"
 spin = { version = "0.9", features = ["std"] }
 pin-project = "1.0"
 bloomfilter = { version = "1.0.8", optional = true }