diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5029bff..b9eb951 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,8 @@ and this project adheres to
 
 ## [Unreleased]
 
+## [0.4.0] - 2026-08-26
+
 ### Added
 
 - `bodhi-compute` now covers Bodhi's monthly maintenance reservation, and
@@ -386,7 +388,8 @@ First tagged release.
   installers (user, system-wide, and per-node fan-out), and a
   `bodhi-compute` Claude Code skill.
 
-[Unreleased]: https://github.com/rnabioco/sinteractive/compare/v0.3.0...HEAD
+[Unreleased]: https://github.com/rnabioco/sinteractive/compare/v0.4.0...HEAD
+[0.4.0]: https://github.com/rnabioco/sinteractive/compare/v0.3.0...v0.4.0
 [0.3.0]: https://github.com/rnabioco/sinteractive/compare/v0.2.2...v0.3.0
 [0.2.2]: https://github.com/rnabioco/sinteractive/compare/v0.2.1...v0.2.2
 [0.2.1]: https://github.com/rnabioco/sinteractive/compare/v0.2.0...v0.2.1
diff --git a/docs/deploy.md b/docs/deploy.md
index beeffce..a7ebf29 100644
--- a/docs/deploy.md
+++ b/docs/deploy.md
@@ -67,7 +67,7 @@ script there, so a copy may be executing while you install.
 
 ```bash
 make nodes-check
-# compute00    sinteractive=0.3.0  assets=yes  tmux 3.7c
+# compute00    sinteractive=0.4.0  assets=yes  tmux 3.7c
 # compute01    sinteractive=unknown  assets=no  tmux 3.7b
 # compgpu01    unreachable
 ```
diff --git a/man/sinteractive.1 b/man/sinteractive.1
index 9e36571..db2c328 100644
--- a/man/sinteractive.1
+++ b/man/sinteractive.1
@@ -1,4 +1,4 @@
-.TH SINTERACTIVE 1 "August 2026" "sinteractive 0.3.0" "User Commands"
+.TH SINTERACTIVE 1 "August 2026" "sinteractive 0.4.0" "User Commands"
 .SH NAME
 sinteractive \- start an interactive tmux session on a Slurm compute node
 .SH SYNOPSIS
diff --git a/pixi.toml b/pixi.toml
index ed6f7fe..a185739 100644
--- a/pixi.toml
+++ b/pixi.toml
@@ -1,7 +1,7 @@
 [workspace]
 name = "sinteractive"
 # Keep in sync with VERSION in `sinteractive` and the release tag (vX.Y.Z).
-version = "0.3.0"
+version = "0.4.0"
 description = "Documentation site for sinteractive"
 channels = ["conda-forge"]
 platforms = ["linux-64", "osx-arm64"]
diff --git a/sinteractive b/sinteractive
index 7f9e2ad..cd95cd9 100755
--- a/sinteractive
+++ b/sinteractive
@@ -19,7 +19,7 @@ set -u
 TMUX_BIN="${SINTERACTIVE_TMUX:-/usr/local/bin/tmux}"
 JOB_ID=''
 # Reported by --version; keep in sync with the release tag (vX.Y.Z).
-VERSION='0.3.0'
+VERSION='0.4.0'
 # Basename for error messages ($0 is the full install path — noisy).
 PROG="${0##*/}"