diff --git a/package/zlib/zlib.mk b/package/zlib/zlib.mk
index 978024a895..949f375b6e 100644
--- a/package/zlib/zlib.mk
+++ b/package/zlib/zlib.mk
@@ -3,7 +3,7 @@
 # zlib
 #
 #############################################################
-ZLIB_VER=1.2.2
+ZLIB_VER=1.2.3
 ZLIB_SOURCE=zlib-$(ZLIB_VER).tar.bz2
 ZLIB_SITE=http://$(BR2_SOURCEFORGE_MIRROR).dl.sourceforge.net/sourceforge/libpng
 ZLIB_DIR=$(BUILD_DIR)/zlib-$(ZLIB_VER)