diff --git a/package/libpng/libpng-01-disable-tools.patch b/package/libpng/0001-disable-tools.patch
similarity index 100%
rename from package/libpng/libpng-01-disable-tools.patch
rename to package/libpng/0001-disable-tools.patch
diff --git a/package/libpng/libpng-02-ignore-symbol-prefix.patch b/package/libpng/0002-ignore-symbol-prefix.patch
similarity index 100%
rename from package/libpng/libpng-02-ignore-symbol-prefix.patch
rename to package/libpng/0002-ignore-symbol-prefix.patch
diff --git a/package/libpng/libpng.hash b/package/libpng/libpng.hash
new file mode 100644
index 0000000000..37f60679c3
--- /dev/null
+++ b/package/libpng/libpng.hash
@@ -0,0 +1,3 @@
+# From http://sourceforge.net/projects/libpng/files/libpng16/1.6.15/
+md5	a95cb387c53215b034203b41ec57c7e5	libpng-1.6.15.tar.xz
+sha1	bddeac8ca97fbcf54d6d32c6eefed5d94b49df88	libpng-1.6.15.tar.xz
diff --git a/package/libpng/libpng.mk b/package/libpng/libpng.mk
index 99510ca074..67bf14196a 100644
--- a/package/libpng/libpng.mk
+++ b/package/libpng/libpng.mk
@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LIBPNG_VERSION = 1.6.12
+LIBPNG_VERSION = 1.6.15
 LIBPNG_SERIES = 16
 LIBPNG_SOURCE = libpng-$(LIBPNG_VERSION).tar.xz
 LIBPNG_SITE = http://downloads.sourceforge.net/project/libpng/libpng${LIBPNG_SERIES}/$(LIBPNG_VERSION)