diff --git a/Cargo.lock b/Cargo.lock
index cf9677e7..3c25f523 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1765,7 +1765,7 @@ dependencies = [
 
 [[package]]
 name = "puffin_viewer"
-version = "0.20.0"
+version = "0.21.0"
 dependencies = [
  "argh",
  "eframe",
diff --git a/puffin_viewer/CHANGELOG.md b/puffin_viewer/CHANGELOG.md
index 76794463..8eca03a7 100644
--- a/puffin_viewer/CHANGELOG.md
+++ b/puffin_viewer/CHANGELOG.md
@@ -6,6 +6,7 @@ All notable changes to `puffin_viewer` will be documented in this file.
 
 <!-- next-header -->
 ## [Unreleased] - ReleaseDate
+## [0.21.0] - 2024-04-06
 - [PR#201](https://github.com/EmbarkStudios/puffin/pull/201) Update to egui `0.27`
 
 ## [0.20.0] - 2024-02-14
@@ -118,7 +119,8 @@ All notable changes to `puffin_viewer` will be documented in this file.
 First release: connect to a `puffin_server` over HTTP to live view a profiler stream
 
 <!-- next-url -->
-[Unreleased]: https://github.com/EmbarkStudios/puffin/compare/puffin_viewer-0.20.0...HEAD
+[Unreleased]: https://github.com/EmbarkStudios/puffin/compare/puffin_viewer-0.21.0...HEAD
+[0.21.0]: https://github.com/EmbarkStudios/puffin/compare/puffin_viewer-0.20.0...puffin_viewer-0.21.0
 [0.20.0]: https://github.com/EmbarkStudios/puffin/compare/puffin_viewer-0.19.0...puffin_viewer-0.20.0
 [0.19.0]: https://github.com/EmbarkStudios/puffin/compare/puffin_viewer-0.18.0...puffin_viewer-0.19.0
 [0.18.0]: https://github.com/EmbarkStudios/puffin/compare/puffin_viewer-0.17.0...puffin_viewer-0.18.0
diff --git a/puffin_viewer/Cargo.toml b/puffin_viewer/Cargo.toml
index 0c7773c3..ac62ad9a 100644
--- a/puffin_viewer/Cargo.toml
+++ b/puffin_viewer/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "puffin_viewer"
-version = "0.20.0"
+version = "0.21.0"
 authors = ["Embark <opensource@embark-studios.com>"]
 description = "Viewer GUI for puffin profiler data"
 license = "MIT OR Apache-2.0"