diff --git a/package-lock.json b/package-lock.json
index 56da5506..025c5327 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -228,6 +228,19 @@
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       "dev": true
     },
+    "@types/geojson": {
+      "version": "7946.0.4",
+      "resolved": "https://registry.npmjs.org/@types/geojson/-/geojson-7946.0.4.tgz",
+      "integrity": "sha512-MHmwBtCb7OCv1DSivz2UNJXPGU/1btAWRKlqJ2saEhVJkpkvqHMMaOpKg0v4sAbDWSQekHGvPVMM8nQ+Jen03Q=="
+    },
+    "@types/leaflet": {
+      "version": "1.2.11",
+      "resolved": "https://registry.npmjs.org/@types/leaflet/-/leaflet-1.2.11.tgz",
+      "integrity": "sha512-mFr7FkRvxtf9KvensAlss/o78CJ5UumvckwM+0xqF9jxgbMh0gVZq57kUe6jTqybQEavFgqIlSXzTnx3CRG/QQ==",
+      "requires": {
+        "@types/geojson": "*"
+      }
+    },
     "@webassemblyjs/ast": {
       "version": "1.7.6",
       "resolved": "https://registry.npmjs.org/@webassemblyjs/ast/-/ast-1.7.6.tgz",
@@ -9562,6 +9575,12 @@
       "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=",
       "dev": true
     },
+    "typescript": {
+      "version": "2.9.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-2.9.2.tgz",
+      "integrity": "sha512-Gr4p6nFNaoufRIY4NMdpQRNmgxVIGMs4Fcu/ujdYk3nAZqk7supzBE9idmvfZIlH/Cuj//dvi+019qEue9lV0w==",
+      "dev": true
+    },
     "uglify-es": {
       "version": "3.3.9",
       "resolved": "https://registry.npmjs.org/uglify-es/-/uglify-es-3.3.9.tgz",
@@ -10867,4 +10886,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}