diff --git a/Cargo.lock b/Cargo.lock
index 833cbb4dc0..04a5019ce7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -150,9 +150,9 @@ checksum = "7d5ca2cd0adc3f48f9e9ea5a6bbdf9ccc0bfade884847e484d452414c7ccffb3"
 
 [[package]]
 name = "bitflags"
-version = "1.0.3"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d0c54bb8f454c567f21197eefcdbf5679d0bd99f2ddbe52e84c77061952e6789"
+checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
 
 [[package]]
 name = "bitstring"
@@ -314,6 +314,15 @@ dependencies = [
  "bitflags",
 ]
 
+[[package]]
+name = "cloudabi"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4344512281c643ae7638bbabc3af17a11307803ec8f0fcad9fae512a8bf36467"
+dependencies = [
+ "bitflags",
+]
+
 [[package]]
 name = "cmake"
 version = "0.1.35"
@@ -349,7 +358,7 @@ dependencies = [
  "lru-cache",
  "merkle-trie",
  "num-rational",
- "parking_lot 0.6.4",
+ "parking_lot 0.11.0",
  "primitives",
  "rand 0.6.1",
  "rand_xorshift",
@@ -404,7 +413,7 @@ dependencies = [
  "lazy_static 1.4.0",
  "log 0.4.8",
  "never-type",
- "parking_lot 0.6.4",
+ "parking_lot 0.11.0",
  "primitives",
  "rand 0.6.1",
  "rlp",
@@ -431,7 +440,7 @@ dependencies = [
  "kvdb",
  "lazy_static 1.4.0",
  "log 0.4.8",
- "parking_lot 0.6.4",
+ "parking_lot 0.11.0",
  "rand 0.6.1",
  "rlp",
  "rustc-hex 1.0.0",
@@ -451,7 +460,7 @@ dependencies = [
  "crossbeam",
  "log 0.4.8",
  "mio",
- "parking_lot 0.6.4",
+ "parking_lot 0.11.0",
 ]
 
 [[package]]
@@ -474,7 +483,7 @@ dependencies = [
  "codechain-crypto",
  "lazy_static 1.4.0",
  "never-type",
- "parking_lot 0.6.4",
+ "parking_lot 0.11.0",
  "primitives",
  "rand 0.6.1",
  "rand_xorshift",
@@ -498,7 +507,7 @@ dependencies = [
  "libc",
  "log 0.4.8",
  "matches",
- "parking_lot 0.6.4",
+ "parking_lot 0.11.0",
  "primitives",
  "rand 0.6.1",
  "rustc-hex 1.0.0",
@@ -519,7 +528,7 @@ dependencies = [
  "env_logger 0.6.0",
  "lazy_static 1.4.0",
  "log 0.4.8",
- "parking_lot 0.6.4",
+ "parking_lot 0.11.0",
  "sendgrid",
  "serde",
  "serde_derive",
@@ -544,7 +553,7 @@ dependencies = [
  "log 0.4.8",
  "mio",
  "never-type",
- "parking_lot 0.6.4",
+ "parking_lot 0.11.0",
  "primitives",
  "rand 0.6.1",
  "rlp",
@@ -576,7 +585,7 @@ dependencies = [
  "kvdb",
  "lazy_static 1.4.0",
  "log 0.4.8",
- "parking_lot 0.6.4",
+ "parking_lot 0.11.0",
  "primitives",
  "rand 0.6.1",
  "rlp",
@@ -603,7 +612,7 @@ dependencies = [
  "log 0.4.8",
  "lru-cache",
  "merkle-trie",
- "parking_lot 0.6.4",
+ "parking_lot 0.11.0",
  "primitives",
  "rand 0.6.1",
  "rand_xorshift",
@@ -642,7 +651,7 @@ version = "0.1.0"
 dependencies = [
  "codechain-logger",
  "log 0.4.8",
- "parking_lot 0.6.4",
+ "parking_lot 0.11.0",
 ]
 
 [[package]]
@@ -1087,7 +1096,7 @@ dependencies = [
  "log 0.4.8",
  "never-type",
  "panic_hook",
- "parking_lot 0.6.4",
+ "parking_lot 0.11.0",
  "primitives",
  "rpassword",
  "rustc-serialize",
@@ -1399,6 +1408,12 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7e81a7c05f79578dbc15793d8b619db9ba32b4577003ef3af1a91c416798c58d"
 
+[[package]]
+name = "instant"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5b141fdc7836c525d4d594027d318c84161ca17aaf8113ab1f81ab93ae897485"
+
 [[package]]
 name = "interleaved-ordered"
 version = "0.1.1"
@@ -1588,9 +1603,9 @@ checksum = "ddba4c30a78328befecec92fc94970e53b3ae385827d28620f0f5bb2493081e0"
 
 [[package]]
 name = "libc"
-version = "0.2.68"
+version = "0.2.72"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dea0c0405123bba743ee3f91f49b1c7cfb684eef0da0a50110f758ccf24cdff0"
+checksum = "a9f8082297d534141b30c8d39e9b1773713ab50fdbe4ff30f750d063b3bfd701"
 
 [[package]]
 name = "libflate"
@@ -1681,7 +1696,16 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f8912e782533a93a167888781b836336a6ca5da6175c05944c86cf28c31104dc"
 dependencies = [
- "scopeguard 1.0.0",
+ "scopeguard 1.1.0",
+]
+
+[[package]]
+name = "lock_api"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "28247cc5a5be2f05fbcd76dd0cf2c7d3b5400cb978a28042abcd4fa0b3f8261c"
+dependencies = [
+ "scopeguard 1.1.0",
 ]
 
 [[package]]
@@ -1858,7 +1882,7 @@ dependencies = [
  "codechain-key",
  "coordinator",
  "lazy_static 1.4.0",
- "parking_lot 0.6.4",
+ "parking_lot 0.11.0",
  "primitives",
  "serde",
  "serde_cbor",
@@ -2107,6 +2131,17 @@ dependencies = [
  "rustc_version",
 ]
 
+[[package]]
+name = "parking_lot"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a4893845fa2ca272e647da5d0e46660a314ead9c2fdd9a883aabc32e481a8733"
+dependencies = [
+ "instant",
+ "lock_api 0.4.1",
+ "parking_lot_core 0.8.0",
+]
+
 [[package]]
 name = "parking_lot_core"
 version = "0.3.1"
@@ -2127,7 +2162,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b876b1b9e7ac6e1a74a6da34d25c42e17e8862aa409cbbbdcfc8d86c6f3bc62b"
 dependencies = [
  "cfg-if",
- "cloudabi",
+ "cloudabi 0.0.3",
  "libc",
  "redox_syscall",
  "rustc_version",
@@ -2135,6 +2170,21 @@ dependencies = [
  "winapi 0.3.8",
 ]
 
+[[package]]
+name = "parking_lot_core"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c361aa727dd08437f2f1447be8b59a33b0edd15e0fcee698f935613d9efbca9b"
+dependencies = [
+ "cfg-if",
+ "cloudabi 0.1.0",
+ "instant",
+ "libc",
+ "redox_syscall",
+ "smallvec 1.4.1",
+ "winapi 0.3.8",
+]
+
 [[package]]
 name = "pbkdf2"
 version = "0.3.0"
@@ -2326,7 +2376,7 @@ version = "0.5.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e464cd887e869cddcae8792a4ee31d23c7edd516700695608f5b98c67ee0131c"
 dependencies = [
- "cloudabi",
+ "cloudabi 0.0.3",
  "fuchsia-zircon",
  "libc",
  "rand_core 0.2.2",
@@ -2339,7 +2389,7 @@ version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ae9d223d52ae411a33cf7e54ec6034ec165df296ccd23533d671a28252b6f66a"
 dependencies = [
- "cloudabi",
+ "cloudabi 0.0.3",
  "fuchsia-zircon",
  "libc",
  "rand_chacha 0.1.0",
@@ -2457,9 +2507,9 @@ dependencies = [
 
 [[package]]
 name = "redox_syscall"
-version = "0.1.40"
+version = "0.1.56"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c214e91d3ecf43e9a4e41e578973adeb14b474f2bee858742d127af75a0112b1"
+checksum = "2439c63f3f6139d1b57529d16bc3b8bb855230c8efcc5d3a896c8bea7c3b1e84"
 
 [[package]]
 name = "redox_termios"
@@ -2663,9 +2713,9 @@ checksum = "94258f53601af11e6a49f722422f6e3425c52b06245a5cf9bc09908b174f5e27"
 
 [[package]]
 name = "scopeguard"
-version = "1.0.0"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b42e15e59b18a828bbf5c58ea01debb36b9b096346de35d941dcb89009f24a0d"
+checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
 
 [[package]]
 name = "scrypt"
@@ -2885,6 +2935,12 @@ dependencies = [
  "unreachable",
 ]
 
+[[package]]
+name = "smallvec"
+version = "1.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3757cb9d89161a2f24e1cf78efa0c1fcff485d18e3f55e0aa3480824ddaa0f3f"
+
 [[package]]
 name = "snap"
 version = "0.2.4"
@@ -2945,7 +3001,7 @@ dependencies = [
  "codechain-types",
  "coordinator",
  "lazy_static 1.4.0",
- "parking_lot 0.6.4",
+ "parking_lot 0.11.0",
  "primitives",
  "serde",
  "serde_cbor",
diff --git a/Cargo.toml b/Cargo.toml
index 5bacac144c..4850644920 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -40,7 +40,7 @@ log = "0.4.6"
 env_logger = "0.5.3"
 never-type = "0.1.0"
 panic_hook = { path = "util/panic_hook" }
-parking_lot = "0.6.0"
+parking_lot = "0.11.0"
 primitives = { git = "https://github.com/CodeChain-io/rust-codechain-primitives.git", version = "0.4" }
 rpassword = "2.0.0"
 rustc-serialize = "0.3"
diff --git a/basic_module/account/Cargo.toml b/basic_module/account/Cargo.toml
index 57e66afcd2..1b9250b155 100644
--- a/basic_module/account/Cargo.toml
+++ b/basic_module/account/Cargo.toml
@@ -9,7 +9,7 @@ ccrypto = { package = "codechain-crypto", git = "https://github.com/CodeChain-io
 ckey = {package = "codechain-key", path = "../../key" }
 coordinator = {package = "coordinator", path = "../../coordinator" }
 lazy_static = "1.2"
-parking_lot = "0.6.0"
+parking_lot = "0.11.0"
 primitives = { git = "https://github.com/CodeChain-io/rust-codechain-primitives.git", version = "0.4" }
 serde = "1.0"
 serde_cbor = "0.11.1"
diff --git a/basic_module/staking/Cargo.toml b/basic_module/staking/Cargo.toml
index 0422d9fee5..dc437bee97 100644
--- a/basic_module/staking/Cargo.toml
+++ b/basic_module/staking/Cargo.toml
@@ -10,7 +10,7 @@ coordinator = { path = "../../coordinator" }
 fkey = { path = "../../key", package = "codechain-key" }
 ftypes = { path = "../../types", package = "codechain-types" }
 lazy_static = "1.4"
-parking_lot = "0.6.0"
+parking_lot = "0.11.0"
 primitives = { git = "https://github.com/CodeChain-io/rust-codechain-primitives.git", version = "0.4" }
 serde = { version = "1.0", features = ["derive"] }
 serde_cbor = "0.11.1"
diff --git a/core/Cargo.toml b/core/Cargo.toml
index 5e7059ec71..453073434e 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -27,7 +27,7 @@ log = "0.4.6"
 lru-cache = "0.1.2"
 merkle-trie = { git = "https://github.com/CodeChain-io/rust-merkle-trie.git", version = "0.4" }
 num-rational = "0.2.1"
-parking_lot = "0.6.0"
+parking_lot = "0.11.0"
 primitives = { git = "https://github.com/CodeChain-io/rust-codechain-primitives.git", version = "0.4" }
 rand = "0.6.1"
 rlp = { git = "https://github.com/CodeChain-io/rlp.git", version = "0.4" }
diff --git a/discovery/Cargo.toml b/discovery/Cargo.toml
index fec6fa95bf..0d518dfdec 100644
--- a/discovery/Cargo.toml
+++ b/discovery/Cargo.toml
@@ -11,7 +11,7 @@ cnetwork = { package = "codechain-network", path = "../network" }
 ctimer = { package = "codechain-timer", path = "../util/timer" }
 log = "0.4.6"
 never-type = "0.1.0"
-parking_lot = "0.6.0"
+parking_lot = "0.11.0"
 primitives = { git = "https://github.com/CodeChain-io/rust-codechain-primitives.git", version = "0.4" }
 rand = "0.6.1"
 rlp = { git = "https://github.com/CodeChain-io/rlp.git", version = "0.4" }
diff --git a/informer/Cargo.toml b/informer/Cargo.toml
index 8837760eee..4f54a2cf28 100644
--- a/informer/Cargo.toml
+++ b/informer/Cargo.toml
@@ -12,7 +12,7 @@ codechain-logger = { path = "../util/logger" }
 kvdb = "0.1"
 lazy_static = "1.2"
 crossbeam-channel = "0.3"
-parking_lot = "0.6.0"
+parking_lot = "0.11.0"
 rlp = { git = "https://github.com/CodeChain-io/rlp.git", version = "0.4" }
 cinfo_courier = { package = "codechain_informer_courier", path = "../informer_courier" }
 ccore = { package = "codechain-core", path = "../core" }
diff --git a/key/Cargo.toml b/key/Cargo.toml
index d2958a9cd8..853f1f2ab2 100644
--- a/key/Cargo.toml
+++ b/key/Cargo.toml
@@ -12,7 +12,7 @@ lazy_static = "1.2"
 base64 = "0.12"
 codechain-crypto = { git = "https://github.com/CodeChain-io/rust-codechain-crypto.git", version = "0.2" }
 never-type = "0.1.0"
-parking_lot = "0.6.0"
+parking_lot = "0.11.0"
 primitives = { git = "https://github.com/CodeChain-io/rust-codechain-primitives.git", version = "0.4" }
 rand_xorshift = "0.1.0"
 rlp = { git = "https://github.com/CodeChain-io/rlp.git", version = "0.4" }
diff --git a/keystore/Cargo.toml b/keystore/Cargo.toml
index 6f0aa99834..5bbf9e2f12 100644
--- a/keystore/Cargo.toml
+++ b/keystore/Cargo.toml
@@ -16,7 +16,7 @@ serde_json = "1.0"
 serde_derive = "1.0"
 rustc-hex = "1.0"
 time = "0.1.34"
-parking_lot = "0.6.0"
+parking_lot = "0.11.0"
 ccrypto = { package = "codechain-crypto", git = "https://github.com/CodeChain-io/rust-codechain-crypto.git", version = "0.2" }
 smallvec = "0.4"
 tempdir = "0.3"
diff --git a/network/Cargo.toml b/network/Cargo.toml
index 03839b3a06..2341cf5477 100644
--- a/network/Cargo.toml
+++ b/network/Cargo.toml
@@ -18,7 +18,7 @@ log = "0.4.6"
 kvdb="0.1"
 mio = "0.6.16"
 never-type = "0.1.0"
-parking_lot = "0.6.0"
+parking_lot = "0.11.0"
 rand = "0.6.1"
 rlp = { git = "https://github.com/CodeChain-io/rlp.git", version = "0.4" }
 rlp_derive = { git = "https://github.com/CodeChain-io/rlp.git", version = "0.2" }
diff --git a/rpc/Cargo.toml b/rpc/Cargo.toml
index c5c0b717ea..de8c98b67c 100644
--- a/rpc/Cargo.toml
+++ b/rpc/Cargo.toml
@@ -20,7 +20,7 @@ codechain-types = { path = "../types" }
 kvdb = "0.1"
 lazy_static = "1.2"
 log = "0.4.6"
-parking_lot = "0.6.0"
+parking_lot = "0.11.0"
 primitives = { git = "https://github.com/CodeChain-io/rust-codechain-primitives.git", version = "0.4" }
 rlp = { git = "https://github.com/CodeChain-io/rlp.git", version = "0.4" }
 serde = "1.0"
diff --git a/state/Cargo.toml b/state/Cargo.toml
index fa2f70c2e7..40d5e48ee7 100644
--- a/state/Cargo.toml
+++ b/state/Cargo.toml
@@ -16,7 +16,7 @@ kvdb-memorydb = "0.1"
 log = "0.4.6"
 lru-cache = "0.1.1"
 merkle-trie = { git = "https://github.com/CodeChain-io/rust-merkle-trie.git", version = "0.4" }
-parking_lot = "0.6.0"
+parking_lot = "0.11.0"
 primitives = { git = "https://github.com/CodeChain-io/rust-codechain-primitives.git", version = "0.4" }
 rlp = { git = "https://github.com/CodeChain-io/rlp.git", version = "0.4" }
 rlp_derive = { git = "https://github.com/CodeChain-io/rlp.git", version = "0.2" }
diff --git a/util/io/Cargo.toml b/util/io/Cargo.toml
index f0849917d0..32a3140c45 100644
--- a/util/io/Cargo.toml
+++ b/util/io/Cargo.toml
@@ -11,5 +11,5 @@ edition = "2018"
 codechain-logger = { path = "../logger" }
 mio = "0.6.16"
 crossbeam = "0.5.0"
-parking_lot = "0.6.0"
+parking_lot = "0.11.0"
 log = "0.4.6"
diff --git a/util/logger/Cargo.toml b/util/logger/Cargo.toml
index 5808f502fe..489bdc6dcc 100644
--- a/util/logger/Cargo.toml
+++ b/util/logger/Cargo.toml
@@ -10,7 +10,7 @@ colored = "1.6"
 env_logger = "0.6.0"
 lazy_static = "1.2"
 log = "0.4.6"
-parking_lot = "0.6.0"
+parking_lot = "0.11.0"
 sendgrid = "0.8.1"
 serde = "1.0"
 serde_derive = "1.0"
diff --git a/util/timer/Cargo.toml b/util/timer/Cargo.toml
index 322427a4ce..f7e977363d 100644
--- a/util/timer/Cargo.toml
+++ b/util/timer/Cargo.toml
@@ -7,6 +7,6 @@ edition = "2018"
 [lib]
 
 [dependencies]
-parking_lot = "0.6.0"
+parking_lot = "0.11.0"
 log = "0.4.6"
 codechain-logger = { path = "../logger" }