diff -Nru fiona-1.8.21/CHANGES.txt fiona-1.8.22/CHANGES.txt
--- fiona-1.8.21/CHANGES.txt	2022-02-07 15:05:59.000000000 +0000
+++ fiona-1.8.22/CHANGES.txt	2022-10-14 23:26:41.000000000 +0000
@@ -3,6 +3,13 @@
 
 All issue numbers are relative to https://github.com/Toblerity/Fiona/issues.
 
+1.8.22 (2022-10-14)
+-------------------
+
+Builds now require Cython >= 0.29.29 because of
+https://github.com/cython/cython/issues/4609 (#1143).
+
+
 1.8.21 (2022-02-07)
 -------------------
 
diff -Nru fiona-1.8.21/debian/changelog fiona-1.8.22/debian/changelog
--- fiona-1.8.21/debian/changelog	2022-03-16 21:40:26.000000000 +0000
+++ fiona-1.8.22/debian/changelog	2022-12-05 08:00:00.000000000 +0000
@@ -1,8 +1,19 @@
-fiona (1.8.21-1build1) jammy; urgency=medium
+fiona (1.8.22-1~jammy0) jammy; urgency=medium
 
-  * No-change rebuild with Python 3.10 only
+  * Back to require at least cython3 0.21.
 
- -- Graham Inggs <ginggs@ubuntu.com>  Wed, 16 Mar 2022 21:40:26 +0000
+ -- Angelos Tzotsos <gcpp.kalxas@gmail.com>  Mon, 05 Dec 2022 10:00:00 +0200
+
+fiona (1.8.22-1) unstable; urgency=medium
+
+  * Team upload.
+  * New upstream release.
+  * Bump Standards-Version to 4.6.1, no changes.
+  * Update watch file to also ignore dev and alpha releases.
+  * Use pybuild-plugin-pyproject instead of python3-setuptools.
+  * Require at least cython3 0.29.29.
+
+ -- Bas Couwenberg <sebastic@debian.org>  Sat, 15 Oct 2022 07:06:53 +0200
 
 fiona (1.8.21-1) unstable; urgency=medium
 
diff -Nru fiona-1.8.21/debian/control fiona-1.8.22/debian/control
--- fiona-1.8.21/debian/control	2021-09-11 16:13:47.000000000 +0000
+++ fiona-1.8.22/debian/control	2022-12-05 08:00:00.000000000 +0000
@@ -8,6 +8,7 @@
                gdal-bin,
                libgdal-dev,
                cython3 (>= 0.21),
+               pybuild-plugin-pyproject,
                python3-all,
                python3-all-dev,
                python3-attr,
@@ -18,10 +19,9 @@
                python3-mock,
                python3-munch,
                python3-pytest,
-               python3-setuptools,
                python3-six,
                python3-sphinx
-Standards-Version: 4.6.0
+Standards-Version: 4.6.1
 Vcs-Browser: https://salsa.debian.org/debian-gis-team/fiona
 Vcs-Git: https://salsa.debian.org/debian-gis-team/fiona.git
 Homepage: https://github.com/Toblerity/Fiona
diff -Nru fiona-1.8.21/debian/watch fiona-1.8.22/debian/watch
--- fiona-1.8.21/debian/watch	2021-10-23 17:02:39.000000000 +0000
+++ fiona-1.8.22/debian/watch	2022-07-16 15:07:31.000000000 +0000
@@ -4,4 +4,4 @@
 uversionmangle=s/(\d)[_\.\-\+]?((RC|rc|pre|dev|b|beta|a|alpha)\d*)$/$1~$2/,\
 filenamemangle=s/(?:.*?\/)?(?:rel|r|v|fiona)?[\-\_]?(\d\S+)\.(tgz|tbz|txz|(?:tar\.(?:gz|bz2|xz)))/fiona-$1.$2/ \
 https://github.com/Toblerity/Fiona/tags \
-(?:.*?/archive/(?:.*?/)?)?(?:rel|r|v|fiona)?[\-\_]?(\d\S+(?<!post\d))\.(?:tgz|tbz|txz|(?:tar\.(?:gz|bz2|xz)))
+(?:.*?/archive/(?:.*?/)?)?(?:rel|r|v|fiona)?[\-\_]?(\d\S+(?<!post\d)(?<!dev\d)(?<!a\d))\.(?:tgz|tbz|txz|(?:tar\.(?:gz|bz2|xz)))
diff -Nru fiona-1.8.21/fiona/__init__.py fiona-1.8.22/fiona/__init__.py
--- fiona-1.8.21/fiona/__init__.py	2022-02-07 15:05:59.000000000 +0000
+++ fiona-1.8.22/fiona/__init__.py	2022-10-14 23:26:41.000000000 +0000
@@ -105,7 +105,7 @@
 
 
 __all__ = ['bounds', 'listlayers', 'open', 'prop_type', 'prop_width']
-__version__ = "1.8.21"
+__version__ = "1.8.22"
 __gdal_version__ = get_gdal_release_name()
 
 gdal_version = get_gdal_version_tuple()
diff -Nru fiona-1.8.21/pyproject.toml fiona-1.8.22/pyproject.toml
--- fiona-1.8.21/pyproject.toml	2022-02-07 15:05:59.000000000 +0000
+++ fiona-1.8.22/pyproject.toml	2022-10-14 23:26:41.000000000 +0000
@@ -1,6 +1,6 @@
 [build-system]
 requires = [
-    "cython==0.29.24",
+    "cython>=0.29.29",
     "oldest-supported-numpy",
     "setuptools",
     "wheel",