diff --git a/Cargo.lock b/Cargo.lock
index 4edba58..a838ae9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -429,7 +429,7 @@ dependencies = [
 
 [[package]]
 name = "lsp-ws-proxy"
-version = "0.9.0-rc.3"
+version = "0.9.0-rc.4"
 dependencies = [
  "argh",
  "bytes",
diff --git a/Cargo.toml b/Cargo.toml
index 238a4c2..6946df0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "lsp-ws-proxy"
-version = "0.9.0-rc.3"
+version = "0.9.0-rc.4"
 authors = ["kazk <kazk.dev@gmail.com>"]
 edition = "2018"
 license = "MIT"