diff --git a/05-query-d1/README.md b/04-query-d1/README.md
similarity index 100%
rename from 05-query-d1/README.md
rename to 04-query-d1/README.md
diff --git a/05-query-d1/db_init.sql b/04-query-d1/db_init.sql
similarity index 100%
rename from 05-query-d1/db_init.sql
rename to 04-query-d1/db_init.sql
diff --git a/05-query-d1/pyproject.toml b/04-query-d1/pyproject.toml
similarity index 100%
rename from 05-query-d1/pyproject.toml
rename to 04-query-d1/pyproject.toml
diff --git a/05-query-d1/src/entry.py b/04-query-d1/src/entry.py
similarity index 100%
rename from 05-query-d1/src/entry.py
rename to 04-query-d1/src/entry.py
diff --git a/05-query-d1/uv.lock b/04-query-d1/uv.lock
similarity index 100%
rename from 05-query-d1/uv.lock
rename to 04-query-d1/uv.lock
diff --git a/05-query-d1/wrangler.toml b/04-query-d1/wrangler.toml
similarity index 100%
rename from 05-query-d1/wrangler.toml
rename to 04-query-d1/wrangler.toml
diff --git a/04-langchain/.dev.vars b/05-langchain/.dev.vars
similarity index 100%
rename from 04-langchain/.dev.vars
rename to 05-langchain/.dev.vars
diff --git a/04-langchain/README.md b/05-langchain/README.md
similarity index 93%
rename from 04-langchain/README.md
rename to 05-langchain/README.md
index 2ad2abf..cf68861 100644
--- a/04-langchain/README.md
+++ b/05-langchain/README.md
@@ -1,5 +1,7 @@
 # LangChain Example
 
+** Currently this example is broken. **
+
 Warning: Python support in Workers is experimental and things will break. This
 example is meant for reference only right now; you should be prepared to update
 your code between now and official release time as APIs may change.
diff --git a/04-langchain/pyproject.toml b/05-langchain/pyproject.toml
similarity index 79%
rename from 04-langchain/pyproject.toml
rename to 05-langchain/pyproject.toml
index 891dd4f..8d093bb 100644
--- a/04-langchain/pyproject.toml
+++ b/05-langchain/pyproject.toml
@@ -14,7 +14,3 @@ dependencies = [
 dev = [
     "workers-py"
 ]
-
-
-[tool.uv.sources]
-bar = { path = "../../workers-sdk", package = true }
\ No newline at end of file
diff --git a/04-langchain/src/worker.py b/05-langchain/src/worker.py
similarity index 100%
rename from 04-langchain/src/worker.py
rename to 05-langchain/src/worker.py
diff --git a/04-langchain/uv.lock b/05-langchain/uv.lock
similarity index 100%
rename from 04-langchain/uv.lock
rename to 05-langchain/uv.lock
diff --git a/04-langchain/wrangler.toml b/05-langchain/wrangler.toml
similarity index 100%
rename from 04-langchain/wrangler.toml
rename to 05-langchain/wrangler.toml
diff --git a/README.md b/README.md
index 1abf60b..716f2a2 100644
--- a/README.md
+++ b/README.md
@@ -18,8 +18,9 @@ Need to deploy your Worker to Cloudflare? Python Workers are in open beta and ha
 - [**`01-hello/`**](01-hello) — the most basic Python Worker
 - [**`02-binding/`**](02-binding) — shows how [bindings](https://developers.cloudflare.com/workers/configuration/bindings/) work in Python Workers. Put a key into Workers KV, and then read it.
 - [**`03-fastapi/`**](03-fastapi) — demonstrates how to use the [FastAPI](https://fastapi.tiangolo.com/) package with Python Workers
-- [**`04-langchain/`**](04-langchain) — demonstrates how to use the [LangChain](https://pypi.org/project/langchain/) package with Python Workers
-- [**`05-query-d1/`**](05-query-d1) - shows how to query D1 with Python Workers
+- [**`04-query-d1/`**](04-query-d1) - shows how to query D1 with Python Workers
+- [**`05-langchain/`**](04-langchain) — demonstrates how to use the [LangChain](https://pypi.org/project/langchain/) package with Python Workers. Currently broken.
+
 
 
 ## Open Beta and Limits
diff --git a/tests/test_examples.py b/tests/test_examples.py
index 9a72784..e4b5e0a 100644
--- a/tests/test_examples.py
+++ b/tests/test_examples.py
@@ -41,11 +41,6 @@ def test_03_fastapi(dev_server):
     assert response.headers["content-type"] == "application/json"
 
 
-@pytest.mark.xfail(reason="Not working")
-def test_04_langchain(dev_server):
-    pass
-
-
 @pytest.fixture
 def init_db():
     subprocess.run(
@@ -60,12 +55,12 @@ def init_db():
             "--file",
             "db_init.sql",
         ],
-        cwd=REPO_ROOT / "05-query-d1",
+        cwd=REPO_ROOT / "04-query-d1",
         check=True,
     )
 
 
-def test_05_query_d1(init_db, dev_server):
+def test_04_query_d1(init_db, dev_server):
     port = dev_server
     response = requests.get(f"http://localhost:{port}")
     assert response.status_code == 200
@@ -74,3 +69,8 @@ def test_05_query_d1(init_db, dev_server):
         "Dominik Picheta",
         "Hood Chatham",
     ]
+
+@pytest.mark.xfail(reason="Not working")
+def test_05_langchain(dev_server):
+    pass
+