diff --git a/MANIFEST.in b/MANIFEST.in
index 5090de0e29..c979aec562 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -6,6 +6,8 @@ include requirements_docs.txt
 
 recursive-include leafmap/data *
 recursive-include leafmap/examples *
+recursive-include leafmap/javascripts *
+recursive-include leafmap/styles *
 recursive-include tests *
 recursive-exclude * __pycache__
 recursive-exclude * *.py[co]
diff --git a/requirements.txt b/requirements.txt
index 80a6c6024b..2d6639d669 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ ipyleaflet>=0.19.1
 ipyvuetify>=1.9.4
 ipywidgets>=7.6.0
 matplotlib>=3.9.1
-numpy>=1.26.4
+numpy>=1.25.0, <2.0.0
 pandas>=2.2.2
 plotly>=5.22.0
 pyshp>=2.3.1