diff --git a/common/Cargo.toml b/common/Cargo.toml
index 059de721..95b83bc8 100644
--- a/common/Cargo.toml
+++ b/common/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "common"
-version = "1.2.0"
+version = "1.2.1"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
diff --git a/vnt-cli/Cargo.toml b/vnt-cli/Cargo.toml
index f67abb36..cbb92d8e 100644
--- a/vnt-cli/Cargo.toml
+++ b/vnt-cli/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "vnt-cli"
-version = "1.2.0"
+version = "1.2.1"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
diff --git a/vnt-jni/Cargo.toml b/vnt-jni/Cargo.toml
index 399ad8f5..20267d6a 100644
--- a/vnt-jni/Cargo.toml
+++ b/vnt-jni/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "vnt-jni"
-version = "1.2.0"
+version = "1.2.1"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
diff --git a/vnt/Cargo.toml b/vnt/Cargo.toml
index 5f25604b..26ca4851 100644
--- a/vnt/Cargo.toml
+++ b/vnt/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "vnt"
-version = "1.2.0"
+version = "1.2.1"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
diff --git a/vnt/src/handle/handshake_handler.rs b/vnt/src/handle/handshake_handler.rs
index c0aa4223..16b76e9b 100644
--- a/vnt/src/handle/handshake_handler.rs
+++ b/vnt/src/handle/handshake_handler.rs
@@ -11,7 +11,6 @@ use crate::proto::message::{HandshakeRequest, HandshakeResponse, SecretHandshake
 use crate::protocol::{MAX_TTL, NetPacket, Protocol, service_packet, Version};
 use crate::protocol::body::ENCRYPTION_RESERVED;
 
-const VERSION: &'static str = "1.2.0";
 
 pub enum HandshakeEnum {
     NotSecret,
@@ -24,7 +23,7 @@ pub enum HandshakeEnum {
 fn handshake_request_packet(secret: bool) -> crate::Result<NetPacket<Vec<u8>>> {
     let mut request = HandshakeRequest::new();
     request.secret = secret;
-    request.version = VERSION.to_string();
+    request.version = crate::VNT_VERSION.to_string();
     let bytes = request.write_to_bytes()?;
     let buf = vec![0u8; 12 + bytes.len()];
     let mut net_packet = NetPacket::new(buf)?;
diff --git a/vnt/src/handle/registration_handler.rs b/vnt/src/handle/registration_handler.rs
index 14d1131b..c6c26b62 100644
--- a/vnt/src/handle/registration_handler.rs
+++ b/vnt/src/handle/registration_handler.rs
@@ -193,7 +193,7 @@ fn registration_request_packet(
     request.virtual_ip = ip.into();
     request.allow_ip_change = allow_ip_change;
     request.is_fast = is_fast;
-    request.version = "1.2.0".to_string();
+    request.version = crate::VNT_VERSION.to_string();
     request.client_secret = client_secret;
     let bytes = request.write_to_bytes()?;
     let buf = vec![0u8; 12 + bytes.len() + ENCRYPTION_RESERVED];