From d2b1812d5d6086a93b6ca5835e49ea809a6a4fcb Mon Sep 17 00:00:00 2001
From: Cameron DeCoster <cameron.decoster@gmail.com>
Date: Mon, 3 Nov 2025 10:26:29 -0700
Subject: [PATCH] Version changes for v6.4.0

---
 CHANGELOG.md   | 10 ++++++++++
 CITATION.cff   |  5 ++---
 pyproject.toml |  2 +-
 uv.lock        |  2 +-
 4 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5a91d7051e..232ccdfe2c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,16 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ## Unreleased
 
+## [6.4.0] - 2025-11-02
+
+### Updated
+- Update plotly.js from version 3.1.1 to version 3.2.0. See the plotly.js [release notes](https://github.com/plotly/plotly.js/releases) for more information. [[#5357](https://github.com/plotly/plotly.py/pull/5388)]. Notable changes include:
+  - Add `hovertemplatefallback` and `texttemplatefallback` attributes [[#7577](https://github.com/plotly/plotly.js/pull/7577)]
+  - Add "SI extended" formatting rule for tick exponents on axis labels, allowing values to be displayed with extended SI prefixes (e.g., femto, pico, atto) [[#7249](https://github.com/plotly/plotly.js/pull/7249)]
+
+### Deprecated
+- Deprecate `create_hexbin_mapbox` in favor of `create_hexbin_map`, update related function calls [[5358](https://github.com/plotly/plotly.py/pull/5358)], with thanks to @ajlien for the contribution!
+
 ## [6.3.1] - 2025-10-02
 
 ### Updated
diff --git a/CITATION.cff b/CITATION.cff
index 69893f4bab..cd9e4c3a9a 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -9,8 +9,7 @@ authors:
 - family-names: "Parmer"
   given-names: "Chris"
 title: "An interactive, open-source, and browser-based graphing library for Python"
-version: 6.3.1
+version: 6.4.0
 doi: 10.5281/zenodo.14503524
-date-released: 2025-10-02
+date-released: 2025-11-02
 url: "https://github.com/plotly/plotly.py"
-
diff --git a/pyproject.toml b/pyproject.toml
index 1c0c603931..d0c4d45822 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -32,7 +32,7 @@ classifiers = [
 ]
 requires-python = ">=3.8"
 license = {file="LICENSE.txt"}
-version = "6.3.1"
+version = "6.4.0"
 dependencies = [
     "narwhals>=1.15.1",
     "packaging"
diff --git a/uv.lock b/uv.lock
index c8c90b574c..cc8c7aaa08 100644
--- a/uv.lock
+++ b/uv.lock
@@ -4277,7 +4277,7 @@ wheels = [
 
 [[package]]
 name = "plotly"
-version = "6.3.1"
+version = "6.4.0"
 source = { editable = "." }
 dependencies = [
     { name = "narwhals" },