diff --git a/srcpkgs/python3-pytzdata/patches/masonry.patch b/srcpkgs/python3-pytzdata/patches/masonry.patch
new file mode 100644
index 00000000000..8226758d1f0
--- /dev/null
+++ b/srcpkgs/python3-pytzdata/patches/masonry.patch
@@ -0,0 +1,12 @@
+diff --git a/pyproject.toml b/pyproject.toml
+index 2b479bd..2e91506 100644
+--- a/pyproject.toml
++++ b/pyproject.toml
+@@ -30,5 +30,5 @@ black = {version = "^18.9b0", python = "^3.6"}
+ 
+ 
+ [build-system]
+-requires = ["poetry>=0.12"]
+-build-backend = "poetry.masonry.api"
++requires = ["poetry_core>=1.0.0"]
++build-backend = "poetry.core.masonry.api"
diff --git a/srcpkgs/python3-pytzdata/template b/srcpkgs/python3-pytzdata/template
new file mode 100644
index 00000000000..fe398417811
--- /dev/null
+++ b/srcpkgs/python3-pytzdata/template
@@ -0,0 +1,19 @@
+# Template file for 'python3-pytzdata'
+pkgname=python3-pytzdata
+version=2020.1
+revision=1
+wrksrc="pytzdata-${version}"
+build_style=python3-pep517
+hostmakedepends="python3-poetry-core"
+depends="python3"
+checkdepends="python3-pytest"
+short_desc="Olson timezone database for Python"
+maintainer="Joel Beckmeyer <joel@beckmeyer.us>"
+license="MIT"
+homepage="https://github.com/sdispater/pytzdata"
+distfiles="https://github.com/sdispater/pytzdata/archive/refs/tags/${version}.tar.gz"
+checksum=ffec92eb79bb2155862c9c3b80efb12a052182c197098501ec986d5ea1d178df
+
+post_install() {
+	vlicense LICENSE
+}