diff --git a/Cargo.lock b/Cargo.lock
index f557753..9f012a8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "addr2line"
 version = "0.13.0"
@@ -342,7 +344,7 @@ dependencies = [
  "bitcoin-spv 4.0.1",
  "clap 3.0.0-beta.2",
  "hex 0.4.2",
- "molecule",
+ "molecule 0.7.2",
  "reqwest 0.10.8",
  "serde 1.0.116",
  "serde_json",
@@ -359,7 +361,7 @@ dependencies = [
  "bitcoincore-rpc",
  "clap 3.0.0-beta.2",
  "hex 0.4.2",
- "molecule",
+ "molecule 0.7.2",
  "reqwest 0.10.8",
  "serde 1.0.116",
  "serde_json",
@@ -411,6 +413,12 @@ dependencies = [
  "serde 1.0.116",
 ]
 
+[[package]]
+name = "bytes"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c4872d67bab6358e59559027aa3b9157c53d9358c51423c17554809a8858e0f8"
+
 [[package]]
 name = "cc"
 version = "1.0.41"
@@ -1044,7 +1052,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "af2cdbdf65ee5b1da71504f5a03d6984bce77d0b4b46daff63f4ba4a3b0eef08"
 dependencies = [
  "cfg-if 0.1.10",
- "molecule",
+ "molecule 0.6.0",
 ]
 
 [[package]]
@@ -1150,7 +1158,7 @@ dependencies = [
  "crossbeam-channel 0.3.9",
  "failure",
  "merkle-cbt",
- "molecule",
+ "molecule 0.6.0",
  "numext-fixed-uint",
  "once_cell",
 ]
@@ -1170,7 +1178,7 @@ dependencies = [
  "ckb-rational 0.36.0-pre",
  "failure",
  "merkle-cbt",
- "molecule",
+ "molecule 0.6.0",
  "numext-fixed-uint",
  "once_cell",
 ]
@@ -1614,6 +1622,12 @@ version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "348138dd23e03bb0018caef99647fb1a5befec5ff4b501991de88f09854d4c28"
 
+[[package]]
+name = "faster-hex"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "51e2ce894d53b295cf97b05685aa077950ff3e8541af83217fc720a6437169f8"
+
 [[package]]
 name = "fixed-hash"
 version = "0.6.1"
@@ -2621,6 +2635,17 @@ dependencies = [
  "faster-hex 0.4.1",
 ]
 
+[[package]]
+name = "molecule"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "be5f63176422224eadd975789462a96cedaf339cd1009ef92fbdfaad39d35f5f"
+dependencies = [
+ "bytes 1.1.0",
+ "cfg-if 1.0.0",
+ "faster-hex 0.6.1",
+]
+
 [[package]]
 name = "native-tls"
 version = "0.2.4"
@@ -4013,7 +4038,7 @@ dependencies = [
  "igd",
  "libc",
  "log 0.4.11",
- "molecule",
+ "molecule 0.6.0",
  "tentacle-multiaddr",
  "tentacle-secio",
  "thiserror",
@@ -4046,7 +4071,7 @@ dependencies = [
  "bytes 0.5.6",
  "futures 0.3.6",
  "log 0.4.11",
- "molecule",
+ "molecule 0.6.0",
  "openssl",
  "openssl-sys",
  "rand 0.7.3",
@@ -4075,7 +4100,7 @@ dependencies = [
  "ckb-tool",
  "hex 0.4.2",
  "int-enum",
- "molecule",
+ "molecule 0.7.2",
  "primitive-types",
  "serde 1.0.116",
  "serde_json",
@@ -4176,7 +4201,7 @@ dependencies = [
  "jsonrpc-derive",
  "jsonrpc-http-server",
  "log 0.4.11",
- "molecule",
+ "molecule 0.7.2",
  "reqwest 0.9.24",
  "secp256k1",
  "serde 1.0.116",
@@ -4204,7 +4229,7 @@ dependencies = [
  "int-enum",
  "jsonrpc-core 14.2.0",
  "log 0.4.11",
- "molecule",
+ "molecule 0.7.2",
  "reqwest 0.9.24",
  "secp256k1",
  "serde 1.0.116",
@@ -4223,7 +4248,7 @@ dependencies = [
  "ckb-std",
  "ckb-types 0.34.1",
  "int-enum",
- "molecule",
+ "molecule 0.7.2",
 ]
 
 [[package]]
diff --git a/cli/Cargo.toml b/cli/Cargo.toml
index 7d8c031..c79b495 100644
--- a/cli/Cargo.toml
+++ b/cli/Cargo.toml
@@ -16,7 +16,7 @@ config = "0.10"
 hex = "0.4"
 anyhow = "1.0"
 tockb-types = { path = "../types" }
-molecule = "0.6"
+molecule = "0.7"
 secp256k1 = "0.17.0"
 reqwest = "^0.9"
 log = "0.4"
diff --git a/sdk/Cargo.toml b/sdk/Cargo.toml
index ea1233d..b3b6e33 100644
--- a/sdk/Cargo.toml
+++ b/sdk/Cargo.toml
@@ -13,7 +13,7 @@ config = "0.10"
 hex = "0.4"
 anyhow = "1.0"
 tockb-types = { path = "../types" }
-molecule = "0.6"
+molecule = "0.7"
 secp256k1 = "0.17.0"
 reqwest = "^0.9"
 log = "0.4"
diff --git a/tests/Cargo.toml b/tests/Cargo.toml
index 3ce2aad..8bb52cf 100644
--- a/tests/Cargo.toml
+++ b/tests/Cargo.toml
@@ -8,7 +8,7 @@ edition = "2018"
 [dependencies]
 ckb-tool = { git = "https://github.com/jjyr/ckb-tool.git", tag = "v0.1.3" }
 ckb-testtool = { git = "https://github.com/jjyr/ckb-tool.git", tag = "v0.1.3" }
-molecule = { version = "0.6", default-features = false }
+molecule = { version = "0.7", default-features = false }
 int-enum = { version = "0.4", default-features = false }
 anyhow = "1.0"
 serde = "1.0"
diff --git a/tools/btc-proof-generator-by-rpc/Cargo.toml b/tools/btc-proof-generator-by-rpc/Cargo.toml
index 29e09f4..e54a713 100644
--- a/tools/btc-proof-generator-by-rpc/Cargo.toml
+++ b/tools/btc-proof-generator-by-rpc/Cargo.toml
@@ -17,7 +17,7 @@ clap = "3.0.0-beta.1"
 serde = "1.0"
 serde_json = "1.0"
 tockb-types = { path = "../../types" }
-molecule = "0.6"
+molecule = "0.7"
 toml = "0.5"
 
 
diff --git a/tools/btc-proof-generator/Cargo.toml b/tools/btc-proof-generator/Cargo.toml
index a3f3d76..6da6a32 100644
--- a/tools/btc-proof-generator/Cargo.toml
+++ b/tools/btc-proof-generator/Cargo.toml
@@ -16,4 +16,4 @@ clap = "3.0.0-beta.1"
 serde = "1.0"
 serde_json = "1.0"
 tockb-types = { path = "../../types" }
-molecule = "0.6"
+molecule = "0.7"
diff --git a/types/Cargo.toml b/types/Cargo.toml
index bece9eb..09828e0 100644
--- a/types/Cargo.toml
+++ b/types/Cargo.toml
@@ -11,7 +11,7 @@ std = ["molecule/std", "int-enum/std", "ckb-types"]
 contract = ["ckb-std", "bitcoin-spv"]
 
 [dependencies]
-molecule = { version = "0.6", default-features = false }
+molecule = { version = "0.7", default-features = false }
 int-enum = { version = "0.4", default-features = false }
 cfg-if = "0.1"
 ckb-std = { version = "0.6", optional = true }