diff --git a/package.json b/package.json
index c58614af..223c7cff 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "gulp-cssnano": "^2.1.2",
     "gulp-htmlmin": "^1.3.0",
     "gulp-if": "^2.0.0",
-    "gulp-imagemin": "^2.4.0",
+    "gulp-imagemin": "^3.0.0",
     "gulp-jade": "^1.1.0",
     "gulp-jscs": "^3.0.2",
     "gulp-jshint": "^2.0.0",
@@ -46,7 +46,7 @@
     "gulp-uglify": "^1.5.3",
     "gulp-uncss": "^1.0.5",
     "gulp-useref": "^3.1.0",
-    "imagemin-pngquant": "^4.2.2",
+    "imagemin-pngquant": "^6.0.0",
     "jade": "^1.11.0",
     "jasmine-core": "^2.4.1",
     "jshint": "^2.9.2",
@@ -55,7 +55,7 @@
     "mailgun-js": "^0.7.11",
     "mocha": "^2.4.5",
     "moment": "^2.12.0",
-    "mongoose": "^4.4.12",
+    "mongoose": "^5.12.2",
     "morgan": "^1.7.0",
     "node-metainspector": "^1.3.0",
     "nodemon": "^1.9.1",