diff --git a/package.json b/package.json
index 1a522d917..2b61dd2e9 100644
--- a/package.json
+++ b/package.json
@@ -118,7 +118,7 @@
     "mock-socket": "^9.0.3",
     "nightwatch": "^2.3.0",
     "open": "^8.4.0",
-    "pngjs": "^6.0.0",
+    "pngjs": "^7.0.0",
     "pre-commit": "^1.2.2",
     "process": "^0.11.10",
     "request": "^2.88.0",