diff --git a/package.json b/package.json
index 7e9b239..c201388 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
   "dependencies": {
     "gettemporaryfilepath": "^1.0.0",
     "memoizeasync": "^1.1.0",
-    "optipng-bin": "^4.0.0",
+    "optipng-bin": "^5.0.0",
     "which": "^1.2.14"
   },
   "devDependencies": {