diff --git a/doc/source/changelog/889.dependencies.md b/doc/source/changelog/889.dependencies.md
new file mode 100644
index 0000000000..6a721d205f
--- /dev/null
+++ b/doc/source/changelog/889.dependencies.md
@@ -0,0 +1 @@
+Bump plotly from 6.3.1 to 6.4.0
diff --git a/pyproject.toml b/pyproject.toml
index a420639141..535bf918ae 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -115,7 +115,7 @@ doc = [
   "nbsphinx==0.9.7",
   "numpydoc==1.9.0",
   "pandas==2.3.3",
-  "plotly==6.3.1",
+  "plotly==6.4.0",
   "scipy==1.15.3",
   "sphinx==7.4.7",
   "sphinx-copybutton==0.5.2",