diff --git a/changes/2789.misc.rst b/changes/2789.misc.rst
new file mode 100644
index 0000000000..37567e2fa2
--- /dev/null
+++ b/changes/2789.misc.rst
@@ -0,0 +1 @@
+Updated pytest-asyncio from 0.23.8 to 0.24.0 in /testbed.
diff --git a/testbed/pyproject.toml b/testbed/pyproject.toml
index 59dcb37726..f00dc908fd 100644
--- a/testbed/pyproject.toml
+++ b/testbed/pyproject.toml
@@ -12,7 +12,7 @@ test = [
     "fonttools==4.53.1 ; sys.platform == 'linux'",
     "pillow==9.2.0",
     "pytest==8.3.2",
-    "pytest-asyncio==0.23.8",
+    "pytest-asyncio==0.24.0",
 ]
 
 [tool.briefcase]