diff --git a/CHANGELOG.md b/CHANGELOG.md
index bd48e597..5e8068a1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## [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)
+
 ## [1.19.0] - 2023-12-27
 
 - Improve hermes profile frame keys to better group frames [[#459](https://github.com/jlfwong/speedscope/pull/459)] (by @zacharyfmarion)
diff --git a/package-lock.json b/package-lock.json
index c008f684..2f967c55 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "speedscope",
-  "version": "1.19.0",
+  "version": "1.20.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "speedscope",
-      "version": "1.19.0",
+      "version": "1.20.0",
       "license": "MIT",
       "dependencies": {
         "open": "7.2.0"
diff --git a/package.json b/package.json
index cd5fada6..39504107 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "speedscope",
-  "version": "1.19.0",
+  "version": "1.20.0",
   "description": "",
   "repository": "jlfwong/speedscope",
   "main": "index.js",