diff --git a/Cargo.lock b/Cargo.lock
index 8dccd27..c0521d8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4687,7 +4687,7 @@ dependencies = [
 
 [[package]]
 name = "sha_p2pool"
-version = "0.17.4"
+version = "0.18.0"
 dependencies = [
  "anyhow",
  "async-trait",
diff --git a/Cargo.toml b/Cargo.toml
index 52340cb..cb758f8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 edition = "2021"
 name = "sha_p2pool"
-version = "0.17.4"
+version = "0.18.0"
 
 [dependencies]
 anyhow = "1.0"
diff --git a/src/server/mod.rs b/src/server/mod.rs
index 05aa057..1f5556d 100644
--- a/src/server/mod.rs
+++ b/src/server/mod.rs
@@ -12,4 +12,4 @@ pub mod grpc;
 pub mod http;
 pub mod p2p;
 
-pub const PROTOCOL_VERSION: u64 = 27;
+pub const PROTOCOL_VERSION: u64 = 28;