diff --git a/versions b/versions
index 3dc4f16..044fc5f 100644
--- a/versions
+++ b/versions
@@ -13,8 +13,8 @@ LIBBACKTRACE_GZ_HASH=858b1225351052234f7e71f0f36622fc9ad33aac947db7816d0b443ae0d
 LIBJPEGTURBO=3.1.4.1
 LIBJPEGTURBO_GZ_HASH=ecae8008e2cc9ade2f2c1bb9d5e6d4fb73e7c433866a056bd82980741571a022
 
-LIBPNG=1.6.55
-LIBPNG_GZ_HASH=4b0abab6d219e95690ebe4db7fc9aa95f4006c83baaa022373c0c8442271283d
+LIBPNG=1.6.56
+LIBPNG_GZ_HASH=8f91e941a07fb1069ebb3855278f82a849e6af14ca05821e14ec3d5348697ea5
 
 LIBWEBP=1.6.0
 LIBWEBP_GZ_HASH=e4ab7009bf0629fd11982d4c2aa83964cf244cffba7347ecd39019a9e38c4564