diff --git a/python-trio.changes b/python-trio.changes
index dca2240..f28566b 100644
--- a/python-trio.changes
+++ b/python-trio.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Mon Dec 19 20:55:58 UTC 2022 - Dirk Müller <dmueller@suse.com>
+
+- go back to 0.21.0 as it breaks httpcore 
+
 -------------------------------------------------------------------
 Wed Dec  7 10:18:12 UTC 2022 - Daniel Garcia <daniel.garcia@suse.com>
 
diff --git a/python-trio.spec b/python-trio.spec
index 4dd7871..5afa77e 100644
--- a/python-trio.spec
+++ b/python-trio.spec
@@ -18,12 +18,12 @@
 
 %define skip_python2 1
 Name:           python-trio
-Version:        0.22.0
+Version:        0.21.0
 Release:        0
 Summary:        Python async/await-native I/O library
 License:        Apache-2.0 OR MIT
 URL:            https://github.com/python-trio/trio
-Source:         https://files.pythonhosted.org/packages/source/t/trio/trio-0.22.0.tar.gz
+Source:         https://files.pythonhosted.org/packages/source/t/trio/trio-%{version}.tar.gz
 BuildRequires:  %{python_module astor >= 0.8}
 BuildRequires:  %{python_module async_generator >= 1.9}
 BuildRequires:  %{python_module attrs >= 19.2.0}
@@ -44,9 +44,7 @@ BuildRequires:  netcfg
 BuildRequires:  python-rpm-macros
 Requires:       python-async_generator >= 1.9
 Requires:       python-attrs >= 19.2.0
-%if 0%{?python_version_nodots} < 311
 Requires:       python-exceptiongroup
-%endif
 Requires:       python-idna
 Requires:       python-outcome
 Requires:       python-sniffio
diff --git a/trio-0.21.0.tar.gz b/trio-0.21.0.tar.gz
new file mode 100644
index 0000000..0e64c26
--- /dev/null
+++ b/trio-0.21.0.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:523f39b7b69eef73501cebfe1aafd400a9aad5b03543a0eded52952488ff1c13
+size 446500
diff --git a/trio-0.22.0.tar.gz b/trio-0.22.0.tar.gz
deleted file mode 100644
index 1a949a5..0000000
--- a/trio-0.22.0.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:ce68f1c5400a47b137c5a4de72c7c901bd4e7a24fbdebfe9b41de8c6c04eaacf
-size 472205