diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5e8068a..5046706 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+## [1.21.0] - 2024-11-16
+
+- Add support for Instruments 16 Time Profile Deep Copy [[#484](https://github.com/jlfwong/speedscope/pull/484)] (by @robert3005)
+- Fix bug where import after error continues failing [[#463](https://github.com/jlfwong/speedscope/pull/463)] (by @tom93)
+- Bundle the font [[#472](https://github.com/jlfwong/speedscope/pull/472)] (by @Krinkle)
+- Clarify specification of startValue in speedscope file format [[#464](https://github.com/jlfwong/speedscope/pull/464)] (by @tom93)
+
 ## [1.20.0] - 2024-01-12
 
 - Partition based on samples instead of traceEvents when importing a sample-based chrome trace [[#460](https://github.com/jlfwong/speedscope/pull/460)] (by @zacharyfmarion)
diff --git a/package-lock.json b/package-lock.json
index 2f967c5..7ebe875 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "speedscope",
-  "version": "1.20.0",
+  "version": "1.21.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "speedscope",
-      "version": "1.20.0",
+      "version": "1.21.0",
       "license": "MIT",
       "dependencies": {
         "open": "7.2.0"
diff --git a/package.json b/package.json
index 3950410..e8a3b1b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "speedscope",
-  "version": "1.20.0",
+  "version": "1.21.0",
   "description": "",
   "repository": "jlfwong/speedscope",
   "main": "index.js",