diff --git a/static/carte/MarkerCluster/package.json b/static/carte/MarkerCluster/package.json
index ae9aa5f..9239664 100644
--- a/static/carte/MarkerCluster/package.json
+++ b/static/carte/MarkerCluster/package.json
@@ -6,23 +6,23 @@
 	"devDependencies": {
 		"git-rev-sync": "1.12.0",
 		"happen": "0.3.2",
-		"jake": "0.7.20",
+		"jake": "8.1.1",
 		"jshint": "2.10.2",
-		"karma": "1.7.1",
-		"karma-chrome-launcher": "2.2.0",
-		"karma-coverage": "1.1.2",
+		"karma": "4.3.0",
+		"karma-chrome-launcher": "3.1.0",
+		"karma-coverage": "2.0.1",
 		"karma-firefox-launcher": "1.2.0",
 		"karma-mocha": "1.3.0",
 		"karma-phantomjs-launcher": "1.0.4",
 		"karma-rollup-plugin": "0.2.4",
 		"karma-safari-launcher": "1.0.0",
 		"leaflet": "1.5.1",
-		"mocha": "1.21.5",
+		"mocha": "6.2.1",
 		"phantomjs-prebuilt": "2.1.16",
-		"rollup": "0.68.2",
+		"rollup": "1.23.0",
 		"rollup-plugin-git-version": "0.2.1",
-		"rollup-plugin-json": "2.3.1",
-		"uglify-js": "2.8.29"
+		"rollup-plugin-json": "4.0.0",
+		"uglify-js": "3.6.0"
 	},
 	"peerDependencies": {
 		"leaflet": "~1.3.1 || ~1.5.0"