diff --git a/srcpkgs/calibre/patches/0001-polyglot-don-t-try-to-import-plistlib.Data.patch b/srcpkgs/calibre/patches/0001-polyglot-don-t-try-to-import-plistlib.Data.patch
new file mode 100644
index 00000000000..6567029cd48
--- /dev/null
+++ b/srcpkgs/calibre/patches/0001-polyglot-don-t-try-to-import-plistlib.Data.patch
@@ -0,0 +1,27 @@
+From 238680060c9ab66f87b2d4f4bddc033083b2af4d Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?=C4=90o=C3=A0n=20Tr=E1=BA=A7n=20C=C3=B4ng=20Danh?=
+ <congdanhqx@gmail.com>
+Date: Mon, 2 Nov 2020 07:17:07 +0700
+Subject: [PATCH] polyglot: don't try to import plistlib.Data
+
+plistlib.Data is deprecated from Python 3.4 and fully removed in Python
+3.9.
+
+Skimming over the code, it's look like nothing uses this data structure.
+
+Let's remove it.
+---
+ src/polyglot/plistlib.py | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git src/polyglot/plistlib.py src/polyglot/plistlib.py
+index e1a5b8b16a..c55811e909 100644
+--- src/polyglot/plistlib.py
++++ src/polyglot/plistlib.py
+@@ -2,5 +2,5 @@
+ # vim:fileencoding=utf-8
+ # License: GPL v3 Copyright: 2019, Kovid Goyal <kovid at kovidgoyal.net>
+ 
+-from plistlib import loads, dumps, Data  # noqa
++from plistlib import loads, dumps  # noqa
+ loads_binary_or_xml = loads
diff --git a/srcpkgs/calibre/template b/srcpkgs/calibre/template
index 42209a13011..77de483b865 100644
--- a/srcpkgs/calibre/template
+++ b/srcpkgs/calibre/template
@@ -1,6 +1,6 @@
 # Template file for 'calibre'
 pkgname=calibre
-version=5.4.1
+version=5.4.2
 revision=1
 build_style=python3-module
 pycompile_dirs="/usr/lib/calibre/"
@@ -26,7 +26,7 @@ license="GPL-3.0-only"
 homepage="https://calibre-ebook.com"
 changelog="https://raw.githubusercontent.com/kovidgoyal/calibre/master/Changelog.yaml"
 distfiles="https://download.calibre-ebook.com/${version}/calibre-${version}.tar.xz"
-checksum=121d8d742a17f8f44034ca0766154c6d8aaf9a5016ed42959fdb44074d9bdfb8
+checksum=e6bc37cbcfecf06d5d6d8cab132e6e4896a1bbade4e5385f26975111f1c0f517
 lib32disabled=yes
 nocross=yes