diff --git a/tools/zlib/Makefile b/tools/zlib/Makefile
index 17fe9fa233..e802a0272e 100644
--- a/tools/zlib/Makefile
+++ b/tools/zlib/Makefile
@@ -8,12 +8,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=zlib
-PKG_VERSION:=1.2.13
+PKG_VERSION:=1.3
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
 PKG_SOURCE_URL:=https://github.com/madler/zlib/releases/download/v$(PKG_VERSION)
-PKG_HASH:=d14c38e313afc35a9a8760dadf26042f51ea0f5d154b0630a31da0540107fb98
+PKG_HASH:=8a9ba2898e1d0d774eca6ba5b4627a11e5588ba85c8851336eb38de4683050a7
 
 PKG_LICENSE:=Zlib
 PKG_LICENSE_FILES:=README