diff --git a/package-overrides/npm/Leaflet.vector-markers@0.0.6.json b/package-overrides/npm/Leaflet.vector-markers@0.0.6.json
new file mode 100644
index 0000000..0235de6
--- /dev/null
+++ b/package-overrides/npm/Leaflet.vector-markers@0.0.6.json
@@ -0,0 +1,4 @@
+{
+  "dependencies": {},
+  "jspmNodeConversion": false
+}
diff --git a/package-overrides/npm/leaflet-draw@0.4.1.json b/package-overrides/npm/leaflet-draw@0.4.1.json
new file mode 100644
index 0000000..9458e0d
--- /dev/null
+++ b/package-overrides/npm/leaflet-draw@0.4.1.json
@@ -0,0 +1,3 @@
+{
+  "jspmNodeConversion": false
+}
diff --git a/package-overrides/npm/leaflet@1.0.0.json b/package-overrides/npm/leaflet@1.0.0.json
new file mode 100644
index 0000000..9458e0d
--- /dev/null
+++ b/package-overrides/npm/leaflet@1.0.0.json
@@ -0,0 +1,3 @@
+{
+  "jspmNodeConversion": false
+}