diff --git a/package.json b/package.json
index 765857f..df63d2a 100644
--- a/package.json
+++ b/package.json
@@ -24,12 +24,12 @@
     "@mapbox/sphericalmercator": "1.1.0",
     "@mapbox/vector-tile": "1.3.1",
     "advanced-pool": "0.3.3",
-    "canvas": "1.6.12",
+    "canvas": "1.6.13",
     "clone": "2.1.2",
-    "color": "3.0.0",
-    "commander": "2.18.0",
-    "cors": "2.8.4",
-    "express": "4.16.3",
+    "color": "3.1.0",
+    "commander": "2.19.0",
+    "cors": "2.8.5",
+    "express": "4.16.4",
     "glyph-pbf-composite": "0.0.2",
     "handlebars": "4.0.12",
     "http-shutdown": "^1.2.0",
@@ -37,7 +37,7 @@
     "pbf": "3.1.0",
     "proj4": "2.5.0",
     "request": "2.88.0",
-    "sharp": "0.20.8",
+    "sharp": "0.21.1",
     "tileserver-gl-styles": "1.2.0"
   },
   "devDependencies": {