diff --git a/Cargo.toml b/Cargo.toml
index e7554c45..5743a864 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "ckb-sdk"
-version = "3.1.0"
-authors = ["Linfeng Qian <thewawar@gmail.com>", "Nervos Core Dev <dev@nervos.org>"]
+version = "3.1.1"
+authors = [ "Linfeng Qian <thewawar@gmail.com>", "Nervos Core Dev <dev@nervos.org>" ]
 edition = "2018"
 license = "MIT"
 description = "Rust SDK for CKB"
@@ -17,7 +17,7 @@ anyhow = "1.0.63"
 bech32 = "0.8.1"
 derive-getters = "0.2.1"
 log = "0.4.6"
-reqwest = { version = "0.11", default-features = false, features = ["json", "blocking"] }
+reqwest = { version = "0.11", default-features = false, features = [ "json", "blocking" ] }
 secp256k1 = { version = "0.24", features = ["recovery"] }
 tokio-util = { version = "0.7.7", features = ["codec"] }
 tokio = { version = "1" }
@@ -29,22 +29,22 @@ lru = "0.7.1"
 dashmap = "5.4"
 dyn-clone = "1.0"
 
-ckb-types = "0.114.0"
-ckb-dao-utils =  "0.114.0"
-ckb-traits =  "0.114.0"
-ckb-jsonrpc-types  =  "0.114.0"
-ckb-hash =  "0.114.0"
-ckb-resource =  "0.114.0"
-ckb-crypto = { version = "=0.114.0", features = ["secp"] }
-ckb-script = "0.114.0"
+ckb-types = "0.115.0-rc2"
+ckb-dao-utils = "0.115.0-rc2"
+ckb-traits = "0.115.0-rc2"
+ckb-jsonrpc-types = "0.115.0-rc2"
+ckb-hash = "0.115.0-rc2"
+ckb-resource = "0.115.0-rc2"
+ckb-crypto = { version = "=0.115.0-rc2", features = ["secp"] }
+ckb-script = "0.115.0-rc2"
 bitflags = "1.3.2"
 sha3 = "0.10.1"
 enum-repr-derive = "0.2.0"
 
 # for feature test
 rand = { version = "0.7.3", optional = true }
-ckb-mock-tx-types = "0.114.0"
-ckb-chain-spec = "0.114.0"
+ckb-mock-tx-types = "0.115.0-rc2"
+ckb-chain-spec = "0.115.0-rc2"
 
 sparse-merkle-tree = "0.6.1"
 lazy_static = "1.3.0"
@@ -57,7 +57,7 @@ rustls-tls = ["reqwest/rustls-tls"]
 test = []
 
 [dev-dependencies]
-clap = { version = "=4.4.18", features = ["derive"] } # TODO clap v4.5 requires rustc v1.74.0+
+clap = { version = "=4.4.18", features = [ "derive" ] } # TODO clap v4.5 requires rustc v1.74.0+
 httpmock = "0.6"
 async-global-executor = "2.3.1"
 hex = "0.4"