diff --git a/Cargo.lock b/Cargo.lock
index e7ac29f..33c4162 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -42,6 +42,12 @@ dependencies = [
  "cty",
 ]
 
+[[package]]
+name = "buddy-alloc"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8ff9f338986406db85e2b5deb40a9255b796ca03a194c7457403d215173f3fd5"
+
 [[package]]
 name = "bytes"
 version = "1.1.0"
@@ -173,6 +179,28 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "ckb-standalone-types"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "22d7cbbdab96e6b809a102cf88bfec28795a0a3c06bfdea4abe4de89777801cd"
+dependencies = [
+ "cfg-if 1.0.0",
+ "molecule",
+]
+
+[[package]]
+name = "ckb-std"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "47a6ad40455c446ad6fbb303dae24827fc309f43558f59d1f1b863a9de3e9f81"
+dependencies = [
+ "buddy-alloc",
+ "cc",
+ "ckb-standalone-types",
+ "cstr_core",
+]
+
 [[package]]
 name = "ckb-types"
 version = "0.103.0"
@@ -197,10 +225,11 @@ dependencies = [
 
 [[package]]
 name = "cota-smt"
-version = "0.8.0"
+version = "0.9.0"
 dependencies = [
  "blake2b-ref 0.3.1",
  "cfg-if 1.0.0",
+ "ckb-std",
  "ckb-types",
  "molecule",
  "sparse-merkle-tree",
@@ -226,6 +255,16 @@ dependencies = [
  "lazy_static",
 ]
 
+[[package]]
+name = "cstr_core"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dd98742e4fdca832d40cab219dc2e3048de17d873248f83f17df47c1bea70956"
+dependencies = [
+ "cty",
+ "memchr",
+]
+
 [[package]]
 name = "cty"
 version = "0.2.2"
@@ -281,6 +320,12 @@ version = "0.2.109"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f98a04dce437184842841303488f70d0188c5f51437d2a834dc097eafa909a01"
 
+[[package]]
+name = "memchr"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
+
 [[package]]
 name = "merkle-cbt"
 version = "0.3.0"
diff --git a/Cargo.toml b/Cargo.toml
index 4ff802c..9a1be28 100755
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2021"
 [dependencies]
 cfg-if = "1.0"
 blake2b-ref = "0.3.1"
-ckb-std = "0.10.0"
+ckb-std = {version = "0.10.0", optional = true}
 ckb-types = {version = "0.103.0", optional = true}
 molecule = {version = "0.7.2", default_features = false, optional = true}
 sparse-merkle-tree = {version = "0.6.1", default_features = false}