diff --git a/README.md b/README.md
index 75d6311..072b866 100644
--- a/README.md
+++ b/README.md
@@ -77,6 +77,50 @@ Nested request parameters are [TypedDicts](https://docs.python.org/3/library/typ
 
 Typed requests and responses provide autocomplete and documentation within your editor. If you would like to see type errors in VS Code to help catch bugs earlier, set `python.analysis.typeCheckingMode` to `basic`.
 
+## Nested params
+
+Nested parameters are dictionaries, typed using `TypedDict`, for example:
+
+```python
+from browserbase import Browserbase
+
+client = Browserbase()
+
+session = client.sessions.create(
+    project_id="projectId",
+    browser_settings={
+        "advanced_stealth": True,
+        "block_ads": True,
+        "context": {
+            "id": "id",
+            "persist": True,
+        },
+        "extension_id": "extensionId",
+        "fingerprint": {
+            "browsers": ["chrome"],
+            "devices": ["desktop"],
+            "http_version": 1,
+            "locales": ["string"],
+            "operating_systems": ["android"],
+            "screen": {
+                "max_height": 0,
+                "max_width": 0,
+                "min_height": 0,
+                "min_width": 0,
+            },
+        },
+        "log_session": True,
+        "record_session": True,
+        "solve_captchas": True,
+        "viewport": {
+            "height": 0,
+            "width": 0,
+        },
+    },
+)
+print(session.browser_settings)
+```
+
 ## File uploads
 
 Request parameters that correspond to file uploads can be passed as `bytes`, a [`PathLike`](https://docs.python.org/3/library/os.html#os.PathLike) instance or a tuple of `(filename, contents, media type)`.
diff --git a/scripts/test b/scripts/test
index 4fa5698..2b87845 100755
--- a/scripts/test
+++ b/scripts/test
@@ -52,6 +52,8 @@ else
   echo
 fi
 
+export DEFER_PYDANTIC_BUILD=false
+
 echo "==> Running tests"
 rye run pytest "$@"