diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 86b0e83..cb9d254 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.21.0"
+  ".": "0.22.0"
 }
\ No newline at end of file
diff --git a/.stats.yml b/.stats.yml
index edacf12..7139e6a 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,4 +1,4 @@
 configured_endpoints: 53
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/kernel/hypeman-eb4f6a68824524c05a939d52eba9b52f2cae6515dac6e6afa1b6d3f4aa5b6a9e.yml
-openapi_spec_hash: ed9f74727470b32ac5a41fa21aaa4e24
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/kernel/hypeman-57b8076562c76340e23b7044d2618c89573251deb6069ae96224bb72dfa8b8fb.yml
+openapi_spec_hash: dcaf246a5139bc05a0167bc42895113d
 config_hash: 6c3d12df98dffe34327778fe148a9556
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3e77214..60c09af 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 0.22.0 (2026-07-29)
+
+Full Changelog: [v0.21.0...v0.22.0](https://github.com/kernel/hypeman-go/compare/v0.21.0...v0.22.0)
+
+### Features
+
+* Make an auto-standby hold replace the previous deadline ([4d1c198](https://github.com/kernel/hypeman-go/commit/4d1c198cf55391d189a04e50591650c7af175f53))
+
 ## 0.21.0 (2026-07-28)
 
 Full Changelog: [v0.20.0...v0.21.0](https://github.com/kernel/hypeman-go/compare/v0.20.0...v0.21.0)
diff --git a/README.md b/README.md
index 86fba72..9e42b3c 100644
--- a/README.md
+++ b/README.md
@@ -30,7 +30,7 @@ Or to pin the version:
 <!-- x-release-please-start-version -->
 
 ```sh
-go get -u 'github.com/kernel/hypeman-go@v0.21.0'
+go get -u 'github.com/kernel/hypeman-go@v0.22.0'
 ```
 
 <!-- x-release-please-end -->
diff --git a/instanceautostandby.go b/instanceautostandby.go
index 2566893..8b4e0b9 100644
--- a/instanceautostandby.go
+++ b/instanceautostandby.go
@@ -36,6 +36,10 @@ func NewInstanceAutoStandbyService(opts ...option.RequestOption) (r InstanceAuto
 // instance into standby before `hold_until`, and cancels any queued auto-standby
 // attempt.
 //
+// Each hold replaces the instance's previous hold, so `hold_until` always reflects
+// the most recent call. Holding again after the policy's `idle_timeout` is
+// shortened moves `hold_until` earlier.
+//
 // Callers may use this before opening a connection to a candidate-idle instance: a
 // 200 means it is safe to connect until `hold_until`; a 409 means the instance is
 // in standby (or irrevocably entering it) and must be restored first.
diff --git a/internal/version.go b/internal/version.go
index b6325aa..e482b6b 100644
--- a/internal/version.go
+++ b/internal/version.go
@@ -2,4 +2,4 @@
 
 package internal
 
-const PackageVersion = "0.21.0" // x-release-please-version
+const PackageVersion = "0.22.0" // x-release-please-version