diff --git a/docs/ideas.md b/docs/ideas.md
index 780c40d..87c2ad8 100644
--- a/docs/ideas.md
+++ b/docs/ideas.md
@@ -238,7 +238,7 @@ one period of the note, so heavy settings do not ripple at f0. See [Planish](pla
   only. Drift (planned for 0.3).
 - **Patina**: Tone guard (done, Patina 0.4.0). MIDI as its pitch source. M/S
   processing. Threshold, Ratio and Soft/Hard knee from tester feedback (done,
-  unreleased 0.5.0). Next, from the same feedback round:
+  Patina 0.5.0). Next, from the same feedback round:
   - An absolute level gate (dBFS) so quiet passages are never cut, if the
     tester meant a loudness threshold rather than a prominence threshold.
   - Narrow rings on dense or noisy material are under-read: a +12 dB ring
diff --git a/docs/patina/CHANGELOG.md b/docs/patina/CHANGELOG.md
index 5bff4ba..42bc7bc 100644
--- a/docs/patina/CHANGELOG.md
+++ b/docs/patina/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Patina changelog
 
-## Unreleased (0.5.0)
+## 0.5.0
 
 - Each band now works like a small compressor. Add **Ratio** (1:1 to ∞:1,
   default ∞:1): low ratios leave small bumps nearly alone and still cut big ones
diff --git a/docs/patina/README.md b/docs/patina/README.md
index f3c99c7..a9c118d 100644
--- a/docs/patina/README.md
+++ b/docs/patina/README.md
@@ -1,7 +1,7 @@
 # Patina
 
 Patina smooths a sound’s rough surface without erasing its character. Formerly
-**Resonance Compressor**; current version **0.4.0** (0.5.0 unreleased).
+**Resonance Compressor**; current version **0.5.0**.
 
 A mixing effect that finds harsh, ringing regions as they happen and pulls them
 down, while plain harmonic tone passes. Independently designed in Rust; no claim
diff --git a/docs/releases.md b/docs/releases.md
index f2b7b3e..59d858b 100644
--- a/docs/releases.md
+++ b/docs/releases.md
@@ -8,7 +8,7 @@ workflows are in `.gitea/workflows/`. A plugin's version is the `version` in
 | Plugin | Latest tag | Windows download |
 | --- | --- | --- |
 | Rivet | `rivet-v0.5.0` | `rivet-windows-x86_64-0.5.0.zip` |
-| Patina | `patina-v0.4.0` | `patina-windows-x86_64-0.4.0.zip` |
+| Patina | `patina-v0.5.0` | `patina-windows-x86_64-0.5.0.zip` |
 | Anvil | `anvil-v0.3.0` | `anvil-windows-x86_64-0.3.0.zip` |
 | Crucible | `crucible-v0.3.0` | `crucible-windows-x86_64-0.3.0.zip` |
 | Lathe | `lathe-v0.2.0` | `lathe-windows-x86_64-0.2.0.zip` |
diff --git a/plugins/patina/plugin/Cargo.lock b/plugins/patina/plugin/Cargo.lock
index 63427e3..24734e6 100644
--- a/plugins/patina/plugin/Cargo.lock
+++ b/plugins/patina/plugin/Cargo.lock
@@ -1423,7 +1423,7 @@ dependencies = [
 
 [[package]]
 name = "patina"
-version = "0.4.0"
+version = "0.5.0"
 dependencies = [
  "clap-sys",
  "crossbeam-queue",
diff --git a/plugins/patina/plugin/Cargo.toml b/plugins/patina/plugin/Cargo.toml
index e231f47..6a4dae2 100644
--- a/plugins/patina/plugin/Cargo.toml
+++ b/plugins/patina/plugin/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "patina"
-version = "0.4.0"
+version = "0.5.0"
 edition = "2021"
 license = "ISC"