diff --git a/python-httpx.changes b/python-httpx.changes
index 9dc2e69..bdc7929 100644
--- a/python-httpx.changes
+++ b/python-httpx.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Fri Aug  5 10:25:32 UTC 2022 - Ben Greiner <code@bnavigator.de>
+
+- Drop transfer-encoding-lower-case.patch
+  The headers are lowercase again with uvicorn 0.18
+
 -------------------------------------------------------------------
 Fri Aug  5 08:30:50 UTC 2022 - Matej Cepl <mcepl@suse.com>
 
diff --git a/python-httpx.spec b/python-httpx.spec
index c9d586b..0284573 100644
--- a/python-httpx.spec
+++ b/python-httpx.spec
@@ -32,10 +32,6 @@ Summary:        Python HTTP client with async support
 License:        BSD-3-Clause
 URL:            https://github.com/encode/httpx
 Source:         https://github.com/encode/httpx/archive/%{version}.tar.gz#/httpx-%{version}.tar.gz
-# PATCH-FIX-UPSTREAM transfer-encoding-lower-case.patch mcepl@suse.com
-# Reported upstream as gh#encode/httpx!2332
-# name of HTTP headers are lower-case
-Patch0:         transfer-encoding-lower-case.patch
 BuildRequires:  %{python_module base >= 3.7}
 BuildRequires:  %{python_module setuptools}
 BuildRequires:  fdupes
@@ -67,7 +63,8 @@ BuildRequires:  %{python_module pytest}
 BuildRequires:  %{python_module rich >= 10}
 BuildRequires:  %{python_module trio}
 BuildRequires:  %{python_module trustme}
-BuildRequires:  %{python_module uvicorn}
+# uvicorn 0.18 fixed an issue in the test suite where http-headers wer not all lowercase as expected
+BuildRequires:  %{python_module uvicorn >= 0.18}
 %endif
 # /SECTION
 %python_subpackages
diff --git a/transfer-encoding-lower-case.patch b/transfer-encoding-lower-case.patch
deleted file mode 100644
index d979cac..0000000
--- a/transfer-encoding-lower-case.patch
+++ /dev/null
@@ -1,84 +0,0 @@
----
- tests/test_main.py |   18 +++++++++---------
- 1 file changed, 9 insertions(+), 9 deletions(-)
-
---- a/tests/test_main.py
-+++ b/tests/test_main.py
-@@ -29,7 +29,7 @@ def test_get(server):
-         "HTTP/1.1 200 OK",
-         "server: uvicorn",
-         "content-type: text/plain",
--        "Transfer-Encoding: chunked",
-+        "transfer-encoding: chunked",
-         "",
-         "Hello, world!",
-     ]
-@@ -44,7 +44,7 @@ def test_json(server):
-         "HTTP/1.1 200 OK",
-         "server: uvicorn",
-         "content-type: application/json",
--        "Transfer-Encoding: chunked",
-+        "transfer-encoding: chunked",
-         "",
-         "{",
-         '"Hello": "world!"',
-@@ -62,7 +62,7 @@ def test_binary(server):
-         "HTTP/1.1 200 OK",
-         "server: uvicorn",
-         "content-type: application/octet-stream",
--        "Transfer-Encoding: chunked",
-+        "transfer-encoding: chunked",
-         "",
-         f"<{len(content)} bytes of binary data>",
-     ]
-@@ -77,7 +77,7 @@ def test_redirects(server):
-         "HTTP/1.1 301 Moved Permanently",
-         "server: uvicorn",
-         "location: /",
--        "Transfer-Encoding: chunked",
-+        "transfer-encoding: chunked",
-         "",
-     ]
- 
-@@ -91,12 +91,12 @@ def test_follow_redirects(server):
-         "HTTP/1.1 301 Moved Permanently",
-         "server: uvicorn",
-         "location: /",
--        "Transfer-Encoding: chunked",
-+        "transfer-encoding: chunked",
-         "",
-         "HTTP/1.1 200 OK",
-         "server: uvicorn",
-         "content-type: text/plain",
--        "Transfer-Encoding: chunked",
-+        "transfer-encoding: chunked",
-         "",
-         "Hello, world!",
-     ]
-@@ -111,7 +111,7 @@ def test_post(server):
-         "HTTP/1.1 200 OK",
-         "server: uvicorn",
-         "content-type: text/plain",
--        "Transfer-Encoding: chunked",
-+        "transfer-encoding: chunked",
-         "",
-         '{"hello": "world"}',
-     ]
-@@ -135,7 +135,7 @@ def test_verbose(server):
-         "HTTP/1.1 200 OK",
-         "server: uvicorn",
-         "content-type: text/plain",
--        "Transfer-Encoding: chunked",
-+        "transfer-encoding: chunked",
-         "",
-         "Hello, world!",
-     ]
-@@ -161,7 +161,7 @@ def test_auth(server):
-         "HTTP/1.1 200 OK",
-         "server: uvicorn",
-         "content-type: text/plain",
--        "Transfer-Encoding: chunked",
-+        "transfer-encoding: chunked",
-         "",
-         "Hello, world!",
-     ]