diff --git a/package-lock.json b/package-lock.json
index 41e80f1..b2a0121 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -496,9 +496,9 @@
       "integrity": "sha512-O+x6uIpa6oMNTkPuHDa9MhMMehlxLAd5QcOvKRjAFsBVpeFWTOPnXbDvILvFgFFZfQ1xh1EZi1FbXxUix+zpsQ=="
     },
     "@types/pngjs": {
-      "version": "3.4.0",
-      "resolved": "https://registry.npmjs.org/@types/pngjs/-/pngjs-3.4.0.tgz",
-      "integrity": "sha512-4mPTo6YsNeAzhJ3X8okGv8467YDFKqMNXEuJH/xJBGdnzS2HUWIY3P/iGtYe6xlnZj85rqJhs4l9rQNpn58VNA==",
+      "version": "3.4.1",
+      "resolved": "https://registry.npmjs.org/@types/pngjs/-/pngjs-3.4.1.tgz",
+      "integrity": "sha512-cMBddD0y1zHkyT2nHNvQh1VQZyAnQc+i2I3GhY74CMyCEbGBfQ2fmDUuIwcsw6saVj4EdoJ/PAXZYOXRO368MA==",
       "dev": true,
       "requires": {
         "@types/node": "*"
diff --git a/package.json b/package.json
index 9eaf1d3..741d4fe 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
   "devDependencies": {
     "@types/jest": "24.0.23",
     "@types/node": "12.12.11",
-    "@types/pngjs": "3.4.0",
+    "@types/pngjs": "3.4.1",
     "jest": "24.9.0",
     "rimraf": "3.0.0",
     "ts-jest": "24.1.0",