diff --git a/requirements-dev.txt b/requirements-dev.txt
index 8f883ea..1936662 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -8,7 +8,7 @@ accessible-pygments==0.0.5
     # via pydata-sphinx-theme
 alabaster==1.0.0
     # via sphinx
-altair==5.4.0
+altair==5.4.1
     # via streamlit
 annotated-types==0.7.0
     # via pydantic
diff --git a/requirements.txt b/requirements.txt
index 93b8147..8a8a137 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@
 #
 #    pip-compile
 #
-altair==5.4.0
+altair==5.4.1
     # via streamlit
 annotated-types==0.7.0
     # via pydantic