diff --git a/vars/build.vars b/vars/build.vars
index a3bccb7..df1056e 100644
--- a/vars/build.vars
+++ b/vars/build.vars
@@ -778,8 +778,8 @@ NATIVE_PACKAGES_DEPS_PYTHON="${PREFIX}/bin/python2";
 : ${PKG_LIBPCAP_VERSION:=1.9.1};
 : ${PKG_LIBPCAP_URL:=https://github.com/the-tcpdump-group/libpcap/archive/libpcap-${PKG_LIBPCAP_VERSION}.tar.gz};
 : ${PKG_LIBPCAP_SUBDIR:="libpcap-libpcap-${PKG_LIBPCAP_VERSION}"};
-: ${PKG_LIBPNG_SHA256SUM:=eceb924c1fa6b79172fdfd008d335f0e59172a86a66481e09d4089df872aa319};
-: ${PKG_LIBPNG_VERSION:=1.6.36};
+: ${PKG_LIBPNG_SHA256SUM:=505e70834d35383537b6491e7ae8641f1a4bed1876dbfe361201fc80868d88ca};
+: ${PKG_LIBPNG_VERSION:=1.6.37};
 : ${PKG_LIBPNG_URL:=https://sourceforge.mirrorservice.org/l/li/libpng/libpng16/${PKG_LIBPNG_VERSION}/libpng-${PKG_LIBPNG_VERSION}.tar.xz};
 : ${PKG_LIBJPEG_TURBO_SHA256SUM:=acb8599fe5399af114287ee5907aea4456f8f2c1cc96d26c28aebfdf5ee82fed};
 : ${PKG_LIBJPEG_TURBO_VERSION:=2.0.2};