diff --git a/CHANGELOG.md b/CHANGELOG.md
index fdb0b9c..e03fcfd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.21.0] - 2026-09-05
+
 ### Changed
 
 - **`linear create` refuses to create an unassigned issue.** An issue with no
diff --git a/README.md b/README.md
index bc565b8..20fe67b 100644
--- a/README.md
+++ b/README.md
@@ -30,13 +30,13 @@ Use the same shell contract whether you're typing or a subagent is: query the qu
 Preferred (pinned tag + SHA-256 verify via `install.sh`):
 
 ```bash
-curl -sSL https://raw.githubusercontent.com/phnx-labs/linear-cli/v0.18.0/install.sh | sh
+curl -sSL https://raw.githubusercontent.com/phnx-labs/linear-cli/v0.21.0/install.sh | sh
 ```
 
 Manual pin (same tag; no checksum — prefer `install.sh` above):
 
 ```bash
-curl -o ~/.local/bin/linear https://raw.githubusercontent.com/phnx-labs/linear-cli/v0.18.0/linear
+curl -o ~/.local/bin/linear https://raw.githubusercontent.com/phnx-labs/linear-cli/v0.21.0/linear
 chmod +x ~/.local/bin/linear
 ```
 
diff --git a/install.sh b/install.sh
index 4effd8e..a9f58c6 100755
--- a/install.sh
+++ b/install.sh
@@ -6,9 +6,9 @@ set -eu
 REPO="phnx-labs/linear-cli"
 # Pin a release tag (not floating main). Override with LINEAR_CLI_VERSION /
 # LINEAR_CLI_SHA256 only when you deliberately install a different revision.
-VERSION="${LINEAR_CLI_VERSION:-v0.20.0}"
+VERSION="${LINEAR_CLI_VERSION:-v0.21.0}"
 # SHA-256 of the `linear` file at VERSION. Recomputed whenever VERSION bumps.
-EXPECTED_SHA256="${LINEAR_CLI_SHA256:-40e95dd4c8b55c8442aa8ef61d870fc90d8490453fc544b42b496e47e8d7ec51}"
+EXPECTED_SHA256="${LINEAR_CLI_SHA256:-d68fe508cb19460d0f2a517062a7a66646525539a11caedaa4a15ae5b3717cbe}"
 URL="https://raw.githubusercontent.com/${REPO}/${VERSION}/linear"
 
 pick_install_dir() {