diff --git a/app/package-lock.json b/app/package-lock.json
index 47f37a9..9bfdbf2 100644
--- a/app/package-lock.json
+++ b/app/package-lock.json
@@ -22,6 +22,7 @@
         "maplibre-gl": "^2.1.9",
         "pbf": "^3.2.1",
         "protomaps": "^1.19.0",
+        "protomaps-themes-base": "1.1.1",
         "react": "^18.0.0",
         "react-dom": "^18.0.0",
         "react-dropzone": "^14.1.1",
@@ -2695,6 +2696,11 @@
         "rbush": "^3.0.1"
       }
     },
+    "node_modules/protomaps-themes-base": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/protomaps-themes-base/-/protomaps-themes-base-1.1.1.tgz",
+      "integrity": "sha512-LlI+6wdTmfolpP+jfxFgv4t070EMj8og9x6jaCM862H5Owb8RyDisnRGr6LST2l7i2m0z+20xmKKoUIx9a+VCQ=="
+    },
     "node_modules/protomaps/node_modules/@mapbox/unitbezier": {
       "version": "0.0.0",
       "resolved": "https://registry.npmjs.org/@mapbox/unitbezier/-/unitbezier-0.0.0.tgz",
diff --git a/app/package.json b/app/package.json
index 685c502..51991ff 100644
--- a/app/package.json
+++ b/app/package.json
@@ -22,6 +22,7 @@
     "maplibre-gl": "^2.1.9",
     "pbf": "^3.2.1",
     "protomaps": "^1.19.0",
+    "protomaps-themes-base": "1.1.1",
     "react": "^18.0.0",
     "react-dom": "^18.0.0",
     "react-dropzone": "^14.1.1",