diff --git a/sys-libs/zlib/patches/zlib-1.2.13.patchset b/sys-libs/zlib/patches/zlib-1.3.patchset
similarity index 85%
rename from sys-libs/zlib/patches/zlib-1.2.13.patchset
rename to sys-libs/zlib/patches/zlib-1.3.patchset
index 707251b0d..77b632aec 100644
--- a/sys-libs/zlib/patches/zlib-1.2.13.patchset
+++ b/sys-libs/zlib/patches/zlib-1.3.patchset
@@ -1,4 +1,4 @@
-From 537ab038d530752fbdb34302f35ee71be07e701b Mon Sep 17 00:00:00 2001
+From b377ee6e36d81ad0bd845cd5eb44b2beb3879db2 Mon Sep 17 00:00:00 2001
 From: Adrien Destugues <pulkomandy@pulkomandy.tk>
 Date: Sun, 28 Aug 2016 18:33:07 +0200
 Subject: zlib: export Haiku shared object symbols
@@ -19,5 +19,5 @@ index b330b60..27a40f6 100644
      deflate_copyright;
      inflate_copyright;
 -- 
-2.37.3
+2.42.1
 
diff --git a/sys-libs/zlib/zlib-1.2.13.recipe b/sys-libs/zlib/zlib-1.3.recipe
similarity index 96%
rename from sys-libs/zlib/zlib-1.2.13.recipe
rename to sys-libs/zlib/zlib-1.3.recipe
index 417aa6150..da64603b7 100644
--- a/sys-libs/zlib/zlib-1.2.13.recipe
+++ b/sys-libs/zlib/zlib-1.3.recipe
@@ -12,9 +12,9 @@ reduced, if necessary, at some cost in compression."
 HOMEPAGE="http://www.zlib.net/"
 COPYRIGHT="1995-2017 Jean-loup Gailly and Mark Adler"
 LICENSE="Zlib"
-REVISION="2"
+REVISION="1"
 SOURCE_URI="https://zlib.net/fossils/zlib-$portVersion.tar.gz"
-CHECKSUM_SHA256="b3a24de97a8fdbc835b9833169501030b8977031bcb54b3b3ac13740f846ab30"
+CHECKSUM_SHA256="ff0ba4c292013dbc27530b3a81e1f9a813cd39de01ca5e0f8bf355702efa593e"
 PATCHES="zlib-$portVersion.patchset"
 
 ARCHITECTURES="all ?ppc"