diff --git a/docs/src/release_notes.rst b/docs/src/release_notes.rst
index 1756359..bd3c509 100644
--- a/docs/src/release_notes.rst
+++ b/docs/src/release_notes.rst
@@ -23,6 +23,7 @@ Fixed
 Added
 *****
 - Add ``restrictions`` to :class:`FullEpisode <model.FullEpisode>` (#310)
+- Support HTTPX ``0.26`` (#311)
 - Improve ``UnknownModelAttributeWarning`` to include model name (#313)
 
 5.2.1 (2023-11-22)
diff --git a/pyproject.toml b/pyproject.toml
index 86dd7b9..e103204 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,7 +11,7 @@ dynamic = ["version"]
 
 requires-python = ">=3.8"
 dependencies = [
-    "httpx>=0.15,<0.26",
+    "httpx>=0.15,<0.27",
     "pydantic>=1.8,!=2.4.0,!=2.5.0,!=2.5.1",
 ]