diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## Unreleased
+## 0.4.0 (2025-02-11)
 
 ### Fixed
 
diff --git a/Cargo.lock b/Cargo.lock
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3437,7 +3437,7 @@
 
 [[package]]
 name = "sandhole"
-version = "0.3.2"
+version = "0.4.0"
 dependencies = [
  "anyhow",
  "async-trait",
diff --git a/Cargo.toml b/Cargo.toml
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "sandhole"
-version = "0.3.2"
+version = "0.4.0"
 edition = "2021"
 rust-version = "1.82.0"
 description = "Expose HTTP/SSH/TCP services through SSH port forwarding."