diff --git a/requirements.txt b/requirements.txt
index fbd2504..58fbddb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@
 #    uv pip compile --python-version 3.13 --extra=test --extra=gui --extra=docs --output-file=requirements.txt pyproject.toml
 alabaster==1.0.0
     # via sphinx
-altair==5.5.0
+altair==6.2.2
     # via marimo
 annotated-types==0.7.0
     # via pydantic