diff --git a/Cargo.toml b/Cargo.toml
index 48144300..b999fdf8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ resolver = "2"
 members = ["crates/*", "examples/native", "examples/snark"]
 
 [workspace.package]
-version = "0.6.1"
+version = "0.7.0"
 edition = "2021"
 license = "GPL-3.0"
 authors = ["RND <dev@ringsnetwork.io>"]
diff --git a/crates/core/src/ecc/signers/bip137.rs b/crates/core/src/ecc/signers/bip137.rs
index 75f503f5..eb497e3d 100644
--- a/crates/core/src/ecc/signers/bip137.rs
+++ b/crates/core/src/ecc/signers/bip137.rs
@@ -6,8 +6,8 @@ use sha2::Sha256;
 
 use crate::ecc::PublicKey;
 use crate::ecc::PublicKeyAddress;
-use crate::error::Result;
 use crate::error::Error;
+use crate::error::Result;
 
 /// recover pubkey according to signature.
 /// | y-parity | x-order       | compression | recovery id | v  |
@@ -28,11 +28,11 @@ pub fn recover(msg: &[u8], sig: impl AsRef<[u8]>) -> Result<PublicKey> {
     let hash = self::magic_hash(msg);
 
     if sig_byte[64] >= 27 && sig_byte[64] <= 30 {
-	sig_byte[64] -= 27;
-    } else if sig_byte[64] >=31 && sig_byte[64] <= 34 {
-	sig_byte[64] -= 31;
+        sig_byte[64] -= 27;
+    } else if sig_byte[64] >= 31 && sig_byte[64] <= 34 {
+        sig_byte[64] -= 31;
     } else {
-	return Err(Error::InvalidRecoverId(sig_byte[64]))
+        return Err(Error::InvalidRecoverId(sig_byte[64]));
     }
     crate::ecc::recover_hash(&hash, sig_byte)
 }
diff --git a/package.json b/package.json
index c8596d09..ab06561a 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
     "RND <dev@ringsnetwork.io>"
   ],
   "description": "Rings is a structured peer-to-peer network implementation using WebRTC, Chord algorithm, and full WebAssembly (WASM) support.\n",
-  "version": "0.6.1",
+  "version": "0.7.0",
   "license": "GPL-3.0",
   "repository": {
     "type": "git",