diff --git a/package.json b/package.json
index 35967f8..1cb5291 100644
--- a/package.json
+++ b/package.json
@@ -9,8 +9,6 @@
   ],
   "dependencies": {
     "accepts": "^1.3.3",
-    "animated-gif-detector": "^1.2.0",
-    "bluebird": "^3.3.4",
     "exif-reader": "^1.0.2",
     "gm-papandreou": "^1.23.0-patch1",
     "hijackresponse": "^5.0.0",
@@ -24,7 +22,7 @@
     "passerror": "^1.1.1",
     "pngcrush": "^3.0.0",
     "pngquant": "^4.0.0",
-    "sharp": "^0.32.0"
+    "sharp": "^0.33.0"
   },
   "devDependencies": {
     "browser-sync": "^2.18.6",