diff --git a/tools/zlib/Makefile b/tools/zlib/Makefile
index b1307ef2af8..09c0aa6f71b 100644
--- a/tools/zlib/Makefile
+++ b/tools/zlib/Makefile
@@ -11,12 +11,13 @@ PKG_NAME:=zlib
 PKG_VERSION:=1.3.1
 PKG_RELEASE:=1
 
-PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
-PKG_SOURCE_URL:=https://github.com/madler/zlib/releases/download/v$(PKG_VERSION)
-PKG_HASH:=9a93b2b7dfdac77ceba5a558a580e74667dd6fede4585b91eefb60f03b72df23
+PKG_SOURCE_PROTO:=git
+PKG_SOURCE_URL:=https://github.com/madler/zlib
+PKG_SOURCE_VERSION:=51b7f2abdade71cd9bb0e7a373ef2610ec6f9daf
+PKG_MIRROR_HASH:=6558577038f4839057fad93afb295bf32e84dc9bd2c33512d40a5eab6d4889ef
 
 PKG_LICENSE:=Zlib
-PKG_LICENSE_FILES:=README
+PKG_LICENSE_FILES:=LICENSE
 PKG_CPE_ID:=cpe:/a:zlib:zlib
 
 HOST_BUILD_PARALLEL:=1