diff --git a/srcpkgs/python3-tinycss2/template b/srcpkgs/python3-tinycss2/template
index 8196b935926..a505ecf742a 100644
--- a/srcpkgs/python3-tinycss2/template
+++ b/srcpkgs/python3-tinycss2/template
@@ -1,6 +1,6 @@
 # Template file for 'python3-tinycss2'
 pkgname=python3-tinycss2
-version=1.3.0
+version=1.4.0
 revision=1
 build_style=python3-pep517
 hostmakedepends="python3-poetry-core python3-flit_core python3-webencodings"
@@ -12,7 +12,7 @@ maintainer="Andrew Benson <abenson+void@gmail.com>"
 license="BSD-3-Clause"
 homepage="https://www.courtbouillon.org/tinycss2"
 distfiles="${PYPI_SITE}/t/tinycss2/tinycss2-${version}.tar.gz"
-checksum=152f9acabd296a8375fbca5b84c961ff95971fcfc32e79550c8df8e29118c54d
+checksum=10c0972f6fc0fbee87c3edb76549357415e94548c1ae10ebccdea16fb404a9b7
 make_check=no # tests broken with flake8 >= v5.x
 
 post_install() {