diff --git a/pkgs/development/python-modules/aiohttp-jinja2/aiohttp-3.14.patch b/pkgs/development/python-modules/aiohttp-jinja2/aiohttp-3.14.patch
new file mode 100644
index 000000000000..7070f63fefb1
--- /dev/null
+++ b/pkgs/development/python-modules/aiohttp-jinja2/aiohttp-3.14.patch
@@ -0,0 +1,11 @@
+--- a/aiohttp_jinja2/__init__.py
++++ b/aiohttp_jinja2/__init__.py
+@@ -38,7 +38,7 @@
+     "APP_CONTEXT_PROCESSORS_KEY"
+ )
+ APP_KEY: Final = web.AppKey[jinja2.Environment]("APP_KEY")
+-REQUEST_CONTEXT_KEY: Final = "aiohttp_jinja2_context"
++REQUEST_CONTEXT_KEY: Final = web.RequestKey("jinja_context", dict)
+ 
+ _T = TypeVar("_T")
+ _P = ParamSpec("_P")
\ No newline at end of file
diff --git a/pkgs/development/python-modules/aiohttp-jinja2/default.nix b/pkgs/development/python-modules/aiohttp-jinja2/default.nix
index 9ccf48edc5e1..d917bc9eaced 100644
--- a/pkgs/development/python-modules/aiohttp-jinja2/default.nix
+++ b/pkgs/development/python-modules/aiohttp-jinja2/default.nix
@@ -20,6 +20,11 @@ buildPythonPackage rec {
     hash = "sha256-o6f/UmTlvKUuiuVHu/0HYbcklSMNQ40FtsCRW+YZsOI=";
   };
 
+  patches = [
+    # Adapted from https://github.com/aio-libs/aiohttp-jinja2/pull/1025
+    ./aiohttp-3.14.patch
+  ];
+
   build-system = [ setuptools ];
 
   dependencies = [