diff --git a/MANIFEST.in b/MANIFEST.in
index 114f0bb9..94ab9353 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -3,6 +3,8 @@ include README.md
 include geoviews/.version
 include geoviews/models/*.ts
 include geoviews/icons/*.png
+include geoviews/*.json
+include geoviews/index.ts
 global-exclude *.py[co]
 global-exclude *~
 global-exclude *.ipynb_checkpoints/*
diff --git a/geoviews/package-lock.json b/geoviews/package-lock.json
index 17aceded..fd0e364f 100644
--- a/geoviews/package-lock.json
+++ b/geoviews/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@holoviz/geoviews",
-  "version": "1.9.6-a.2",
+  "version": "1.9.6-a.4",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@holoviz/geoviews",
-      "version": "1.9.6-a.2",
+      "version": "1.9.6-a.4",
       "license": "BSD-3-Clause",
       "dependencies": {
         "@bokeh/bokehjs": "^2.4.2"
diff --git a/geoviews/package.json b/geoviews/package.json
index a3a75cb0..faf9adde 100644
--- a/geoviews/package.json
+++ b/geoviews/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@holoviz/geoviews",
-  "version": "1.9.6-a.2",
+  "version": "1.9.6-a.4",
   "description": "Simple, concise geographical visualization in Python",
   "license": "BSD-3-Clause",
   "repository": {
diff --git a/geoviews/tsconfig.json b/geoviews/tsconfig.json
index 24286921..6b4e52d7 100644
--- a/geoviews/tsconfig.json
+++ b/geoviews/tsconfig.json
@@ -16,19 +16,20 @@
     "sourceMap": true,
     "importHelpers": false,
     "experimentalDecorators": true,
-    "module": "esnext",
+    "module": "ES2020",
     "moduleResolution": "node",
+    "esModuleInterop": true,
     "resolveJsonModule": true,
     "skipLibCheck": true,
-    "target": "ES2017",
-    "lib": ["es2017", "dom", "dom.iterable"],
+    "target": "ES2020",
+    "lib": ["es2020", "dom", "dom.iterable"],
     "baseUrl": ".",
     "outDir": "./dist/lib",
     "paths": {
       "@bokehjs/*": [
-        "./node_modules/@bokeh/bokehjs/build/js/lib/*",
-        "./node_modules/@bokeh/bokehjs/build/js/types/*"
-      ]
+        "node_modules/@bokeh/bokehjs/build/js/lib/*",
+        "node_modules/@bokeh/bokehjs/build/js/types/*"
+      ],
     }
   },
   "include": ["./**/*.ts"]
diff --git a/setup.cfg b/setup.cfg
index 87bb40b1..2b50f9f8 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [metadata]
-license_file = LICENSE
+license_files = LICENSE
 
 [tool:pyctdev.conda]
 namespace_map =