diff --git a/Cargo.lock b/Cargo.lock
index 96c52b50ff7..4099f923793 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -70,7 +70,7 @@ dependencies = [
 
 [[package]]
 name = "arc-swap"
-version = "0.4.1"
+version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -878,7 +878,7 @@ dependencies = [
 name = "ckb-shared"
 version = "0.20.0-pre"
 dependencies = [
- "arc-swap 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "arc-swap 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "ckb-chain 0.20.0-pre",
  "ckb-chain-spec 0.20.0-pre",
  "ckb-dao 0.20.0-pre",
@@ -936,7 +936,7 @@ dependencies = [
 name = "ckb-sync"
 version = "0.20.0-pre"
 dependencies = [
- "arc-swap 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "arc-swap 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "bitflags 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "ckb-chain 0.20.0-pre",
@@ -3961,7 +3961,7 @@ dependencies = [
 "checksum aho-corasick 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)" = "81ce3d38065e618af2d7b77e10c5ad9a069859b4be3c2250f674af3840d9c8a5"
 "checksum aho-corasick 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)" = "e6f484ae0c99fec2e858eb6134949117399f222608d84cadb3f58c1f97c2364c"
 "checksum ansi_term 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ee49baf6cb617b853aa8d93bf420db2383fab46d314482ca2803b40d5fde979b"
-"checksum arc-swap 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "1507f9b80b3ef096751728cf3f43bb0111ec906e44f5d8587e02c10643b9a2cd"
+"checksum arc-swap 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "854ede29f7a0ce90519fb2439d030320c6201119b87dab0ee96044603e1130b9"
 "checksum arrayref 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "0d382e583f07208808f6b1249e60848879ba3543f57c32277bf52d69c2f0f0ee"
 "checksum arrayvec 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)" = "92c7fb76bc8826a8b33b4ee5bb07a247a81e76764ab4d55e8f73e3a4d8808c71"
 "checksum attohttpc 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "eaf0ec4b0e00f61ee75556ca027485b7b354f4a714d88cc03f4468abd9378c86"