diff --git a/patches/glib-2.54.0.local.patch b/patches/glib-2.54.0.local.patch
index 4d6e61f..40ad414 100644
--- a/patches/glib-2.54.0.local.patch
+++ b/patches/glib-2.54.0.local.patch
@@ -13,7 +13,7 @@
     -Werror=missing-prototypes -Werror=implicit-function-declaration \
     -Werror=pointer-arith -Werror=init-self -Werror=format-security \
 -   -Werror=format=2 -Werror=missing-include-dirs; do
-+   -Werror=missing-include-dirs; do
++   do
  
    { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports flag $flag in envvar CFLAGS" >&5
  $as_echo_n "checking if $CC supports flag $flag in envvar CFLAGS... " >&6; }
diff --git a/vars/build.vars b/vars/build.vars
index 37e3269..19725f2 100644
--- a/vars/build.vars
+++ b/vars/build.vars
@@ -304,8 +304,8 @@ LIB_PACKAGES_PREFIX="${PREFIX_NATIVE}";
 : ${PKG_CURL_VERSION:=7.51.0};
 : ${PKG_CURL_URL:=https://curl.haxx.se/download/curl-${PKG_CURL_VERSION}.tar.bz2};
 : ${PKG_CURL_LDFLAGS_BUILD_EXTRA:=-L${PREFIX_NATIVE}/lib};
-: ${PKG_LIBPNG_SHA256SUM:=232a602de04916b2b5ce6f901829caf419519e6a16cc9cd7c1c91187d3ee8b41};
-: ${PKG_LIBPNG_VERSION:=1.6.31};
+: ${PKG_LIBPNG_SHA256SUM:=2f1e960d92ce3b3abd03d06dfec9637dfbd22febf107a536b44f7a47c60659f6};
+: ${PKG_LIBPNG_VERSION:=1.6.34};
 : ${PKG_LIBPNG_URL:=https://sourceforge.mirrorservice.org/l/li/libpng/libpng16/${PKG_LIBPNG_VERSION}/libpng-${PKG_LIBPNG_VERSION}.tar.xz};
 : ${PKG_LIBZ_SHA256SUM:=abcc2831b7a0e891d0875fa852e9b9510b420d843d3d20aad010f65493fe4f7b};
 : ${PKG_LIBZ_VERSION:=1.2.8.2015.12.26};