diff --git a/httpcore/__init__.py b/httpcore/__init__.py
index 3aa98565..d6339324 100644
--- a/httpcore/__init__.py
+++ b/httpcore/__init__.py
@@ -10,6 +10,7 @@ from .exceptions import (
     PoolTimeout,
     ProtocolError,
     ReadTimeout,
+    WriteTimeout,
     RedirectBodyUnavailable,
     RedirectLoop,
     ResponseClosed,
diff --git a/tests/test_timeouts.py b/tests/test_timeouts.py
index 7e33a3ab..17a16935 100644
--- a/tests/test_timeouts.py
+++ b/tests/test_timeouts.py
@@ -6,6 +6,7 @@ from httpcore import (
     PoolLimits,
     PoolTimeout,
     ReadTimeout,
+    WriteTimeout,
     TimeoutConfig,
 )
 
@@ -19,6 +20,16 @@ async def test_read_timeout(server):
             await client.get("http://127.0.0.1:8000/slow_response")
 
 
+@pytest.mark.asyncio
+async def test_write_timeout(server):
+    timeout = TimeoutConfig(write_timeout=0.0001)
+
+    async with AsyncClient(timeout=timeout) as client:
+        with pytest.raises(WriteTimeout):
+            data = b"*" * 1024 * 1024 * 10
+            await client.put("http://127.0.0.1:8000/slow_response", data=data)
+
+
 @pytest.mark.asyncio
 async def test_connect_timeout(server):
     timeout = TimeoutConfig(connect_timeout=0.0001)