diff --git a/package.json b/package.json
index 2125998..d9deb1d 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "gulp-eslint": "^5.0.0",
     "gulp-front-matter": "^1.3.0",
     "gulp-if": "^2.0.2",
-    "gulp-imagemin": "^4.1.0",
+    "gulp-imagemin": "^5.0.0",
     "gulp-jsbeautifier": "^2.1.2",
     "gulp-layout": "0.0.4",
     "gulp-load-plugins": "^1.5.0",