diff --git a/ghc-zlib.changes b/ghc-zlib.changes
index 7703b98..2d10acf 100644
--- a/ghc-zlib.changes
+++ b/ghc-zlib.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Tue Feb 23 10:03:49 UTC 2021 - psimons@suse.com
+
+- Update zlib to version 0.6.2.3.
+  0.6.2.3 Emily Pillmore <emilypi@cohomolo.gy> February 2021
+
+   * Add support for bytestring-0.11.0.0
+
 -------------------------------------------------------------------
 Thu Dec 17 12:20:00 UTC 2020 - Ondřej Súkup <mimi.vx@gmail.com>
  
diff --git a/ghc-zlib.spec b/ghc-zlib.spec
index dd7eab6..7de2964 100644
--- a/ghc-zlib.spec
+++ b/ghc-zlib.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package ghc-zlib
 #
-# Copyright (c) 2020 SUSE LLC
+# Copyright (c) 2021 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -19,7 +19,7 @@
 %global pkg_name zlib
 %bcond_with tests
 Name:           ghc-%{pkg_name}
-Version:        0.6.2.2
+Version:        0.6.2.3
 Release:        0
 Summary:        Compression and decompression in the gzip and zlib formats
 License:        BSD-2-Clause
diff --git a/zlib-0.6.2.2.tar.gz b/zlib-0.6.2.2.tar.gz
deleted file mode 100644
index a09e961..0000000
--- a/zlib-0.6.2.2.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:04b5890dd69e992f8cd09570d81e9d5ecab19db8e82cbe47ba8e02c31c0631ba
-size 148178
diff --git a/zlib-0.6.2.3.tar.gz b/zlib-0.6.2.3.tar.gz
new file mode 100644
index 0000000..7998b56
--- /dev/null
+++ b/zlib-0.6.2.3.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:807f6bddf9cb3c517ce5757d991dde3c7e319953a22c86ee03d74534bd5abc88
+size 149186