--- image-0.23.0/Cargo.toml	2020-02-07T19:13:09+00:00
+++ image-0.23.0/Cargo.toml	2020-03-03T01:25:42.412268+00:00
@@ -54,7 +54,7 @@
 version = "0.2.0"
 
 [dependencies.png]
-version = "0.15.2"
+version = "0.16"
 optional = true
 
 [dependencies.scoped_threadpool]