diff --git a/Cargo.lock b/Cargo.lock
index 4fe5229..79b53e3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -253,9 +253,9 @@ checksum = "c3ac9f8b63eca6fd385229b3675f6cc0dc5c8a5c8a54a59d4f52ffd670d87b0c"
 
 [[package]]
 name = "byteorder"
-version = "1.4.3"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
+checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
 
 [[package]]
 name = "bytes"
@@ -265,36 +265,32 @@ checksum = "89b2fd2a0dcf38d7971e2194b6b6eebab45ae01067456a7fd93d5547a61b70be"
 
 [[package]]
 name = "candid"
-version = "0.9.11"
+version = "0.10.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "465c1ce01d8089ee5b49ba20d3a9da15a28bba64c35cdff2aa256d37e319625d"
+checksum = "dd5902d37352dffd8bd9177a2daa6444ce3cd0279c91763fb0171c053aa04335"
 dependencies = [
  "anyhow",
  "binread",
  "byteorder",
  "candid_derive",
- "codespan-reporting",
- "crc32fast",
- "data-encoding",
  "hex",
+ "ic_principal",
  "leb128",
  "num-bigint",
  "num-traits",
- "num_enum",
  "paste",
  "pretty",
  "serde",
  "serde_bytes",
- "sha2 0.10.6",
  "stacker",
  "thiserror",
 ]
 
 [[package]]
 name = "candid_derive"
-version = "0.6.4"
+version = "0.6.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "201ea498d901add0822653ac94cb0f8a92f9b1758a5273f4dafbb6673c9a5020"
+checksum = "3de398570c386726e7a59d9887b68763c481477f9a043fb998a2e09d428df1a9"
 dependencies = [
  "lazy_static",
  "proc-macro2",
@@ -314,16 +310,6 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
-[[package]]
-name = "codespan-reporting"
-version = "0.11.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3538270d33cc669650c4b093848450d380def10c331d38c768e34cac80576e6e"
-dependencies = [
- "termcolor",
- "unicode-width",
-]
-
 [[package]]
 name = "concurrent-queue"
 version = "2.2.0"
@@ -958,9 +944,9 @@ dependencies = [
 
 [[package]]
 name = "ic-cdk"
-version = "0.11.3"
+version = "0.13.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c126ac20219abff15c3441282e9da6aa7244319d5a4a42c7260667237e790712"
+checksum = "f8859bc2b863a77750acf199e1fb7e3fc403e1b475855ba13f59cb4e4036d238"
 dependencies = [
  "candid",
  "ic-cdk-macros",
@@ -971,9 +957,9 @@ dependencies = [
 
 [[package]]
 name = "ic-cdk-macros"
-version = "0.8.1"
+version = "0.13.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8b6295fd7389c198a97dd99b28b846e18487d99303077102d817eebbf6a924cd"
+checksum = "a45800053d80a6df839a71aaea5797e723188c0b992618208ca3b941350c7355"
 dependencies = [
  "candid",
  "proc-macro2",
@@ -985,7 +971,7 @@ dependencies = [
 
 [[package]]
 name = "ic-web3-rs"
-version = "0.1.6"
+version = "0.1.7"
 dependencies = [
  "arrayvec 0.7.2",
  "async-std",
@@ -1031,6 +1017,19 @@ version = "0.21.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a54b5297861c651551676e8c43df805dad175cc33bc97dbd992edbbb85dcbcdf"
 
+[[package]]
+name = "ic_principal"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1762deb6f7c8d8c2bdee4b6c5a47b60195b74e9b5280faa5ba29692f8e17429c"
+dependencies = [
+ "crc32fast",
+ "data-encoding",
+ "serde",
+ "sha2 0.10.6",
+ "thiserror",
+]
+
 [[package]]
 name = "ident_case"
 version = "1.0.1"
@@ -1337,27 +1336,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "num_enum"
-version = "0.6.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a015b430d3c108a207fd776d2e2196aaf8b1cf8cf93253e3a097ff3085076a1"
-dependencies = [
- "num_enum_derive",
-]
-
-[[package]]
-name = "num_enum_derive"
-version = "0.6.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "96667db765a921f7b295ffee8b60472b686a51d4f21c2ee4ffdb94c7013b65a6"
-dependencies = [
- "proc-macro-crate",
- "proc-macro2",
- "quote",
- "syn 2.0.18",
-]
-
 [[package]]
 name = "once_cell"
 version = "1.18.0"
diff --git a/Cargo.toml b/Cargo.toml
index bcbb5d4..c60b996 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,13 +1,16 @@
 [package]
 name = "ic-web3-rs"
-version = "0.1.6"
+version = "0.1.7"
 description = "Ethereum JSON-RPC client for IC canisters."
 homepage = "https://github.com/horizonx-tech/ic-web3"
 repository = "https://github.com/horizonx-tech/ic-web3"
 #documentation = "https://docs.rs/ic-web3"
 license = "MIT"
 keywords = ["dfinity", "icp", "web3", "ethereum", "rpc"]
-authors = ["Tomasz Drwięga <tomasz@parity.io>", "Rocklabs <hello@rocklabs.io>, hide-yoshi<hideyoshi@horizonx.tech>"]
+authors = [
+    "Tomasz Drwięga <tomasz@parity.io>",
+    "Rocklabs <hello@rocklabs.io>, hide-yoshi<hideyoshi@horizonx.tech>",
+]
 readme = "README.md"
 edition = "2018"
 
@@ -29,9 +32,9 @@ serde_json = "1.0.39"
 tiny-keccak = { version = "2.0.1", features = ["keccak"] }
 pin-project = "1.0"
 # ic related
-ic-cdk = "0.11.3"
-ic-cdk-macros = "0.8.1"
-candid = "0.9.6"
+ic-cdk = "0.13.2"
+ic-cdk-macros = "0.13.2"
+candid = "^0.10.4"
 
 
 # Optional deps
@@ -59,7 +62,9 @@ js-sys = { version = "0.3.45", optional = true }
 ### This is a transitive dependency, only here so we can turn on its wasm_bindgen feature
 rand = { version = "0.8.1", optional = true }
 getrandom = { version = "0.2", features = ["custom"] }
-wasm-bindgen = { version = "0.2.68", optional = true, features = ["serde-serialize"] }
+wasm-bindgen = { version = "0.2.68", optional = true, features = [
+    "serde-serialize",
+] }
 wasm-bindgen-futures = { version = "0.4.18", optional = true }
 derive_builder = "0.12.0"
 num-bigint = "0.4.4"
diff --git a/src/transforms/transform.rs b/src/transforms/transform.rs
index 7cf304c..f7c735b 100644
--- a/src/transforms/transform.rs
+++ b/src/transforms/transform.rs
@@ -1,3 +1,4 @@
+use candid::Nat;
 use derive_builder::Builder;
 use ic_cdk::api::management_canister::http_request::{HttpResponse, TransformArgs};
 use serde_json::Value;
@@ -19,7 +20,7 @@ pub trait TransformProcessor {
             status: raw.response.status.clone(),
             ..Default::default()
         };
-        if res.status == 200 {
+        if res.status == Nat::from(200u8) {
             res.body = self.process_body(&raw.response.body);
         } else {
             ic_cdk::api::print(format!("Received an error from blockchain: err = {:?}", raw));