diff --git a/pyproject.toml b/pyproject.toml
index b12728f..212b4f8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,7 @@ readme = "README.md"
 requires-python = ">=3.13"
 dependencies = [
     "alembic[tz]>=1.18.4",
-    "fastapi>=0.136.1",
+    "fastapi>=0.138.0",
     "httpx>=0.28.1",
     "logfire[fastapi,psycopg,sqlalchemy]>=4.37.0",
     "psycopg[binary]>=3.3.4",
diff --git a/tests/integration/test_otel_api.py b/tests/integration/test_otel_api.py
index a0c2578..023c064 100644
--- a/tests/integration/test_otel_api.py
+++ b/tests/integration/test_otel_api.py
@@ -77,8 +77,8 @@ async def test_entity_api_requests_emit_otel_records(
     assert post_record["attributes"].get("oidc.client_id") == "test-client"
     assert post_record["attributes"].get("oidc.audience") == "test-client"
     assert post_record["attributes"].get("oidc.issuer") == "https://test-idp/realm"
-    assert ("GET", "/entities/{entity_id}", 200) in actual_requests
+    assert ("GET", f"/entities/{entity_id}", 200) in actual_requests
     assert ("GET", "/entities/", 200) in actual_requests
-    assert ("PUT", "/entities/{entity_id}", 200) in actual_requests
-    assert ("DELETE", "/entities/{entity_id}", 204) in actual_requests
-    assert ("GET", "/entities/{entity_id}", 404) in actual_requests
+    assert ("PUT", f"/entities/{entity_id}", 200) in actual_requests
+    assert ("DELETE", f"/entities/{entity_id}", 204) in actual_requests
+    assert ("GET", f"/entities/{entity_id}", 404) in actual_requests
diff --git a/uv.lock b/uv.lock
index fcc5c40..46147da 100644
--- a/uv.lock
+++ b/uv.lock
@@ -348,7 +348,7 @@ wheels = [
 
 [[package]]
 name = "fastapi"
-version = "0.136.3"
+version = "0.138.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "annotated-doc" },
@@ -357,9 +357,9 @@ dependencies = [
     { name = "typing-extensions" },
     { name = "typing-inspection" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/81/2d/ff8d91d7b564d464629a0fd50a4489c97fcb836ac230bf3a7269232a9b1f/fastapi-0.136.3.tar.gz", hash = "sha256:e487fae93ad408e6f47641ee4dfe389864fd7bec92e547ea8498fc13f43e83ab", size = 396410, upload-time = "2026-05-23T18:53:15.192Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/5b/58/ff455d9fe47c60abadb34b9e05a304b1f05f5ab8000ac01565156b6f5e43/fastapi-0.138.0.tar.gz", hash = "sha256:d445a4877636ad191e7053e08c9bf98cb921a6756776848400bb773d1740c061", size = 419240, upload-time = "2026-06-20T01:18:05.259Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/e0/82/45359b62a067409bd929ae8a56b8ed13e5a8c8a61194b3c236920999ab83/fastapi-0.136.3-py3-none-any.whl", hash = "sha256:3d2a69bdf04b7e9f3afa292c3bc7a98816bbfafa10bc9b45f3f3700d2f761620", size = 117481, upload-time = "2026-05-23T18:53:16.924Z" },
+    { url = "https://files.pythonhosted.org/packages/6c/ff/8496d9847a5fedae775eb49460722d3efaa80487854273e9647ae876218c/fastapi-0.138.0-py3-none-any.whl", hash = "sha256:b6f54fd1bd72c80b0f899f172c61a600f6f7af9b43d4d772a018f35624048cb0", size = 126779, upload-time = "2026-06-20T01:18:03.483Z" },
 ]
 
 [[package]]
@@ -397,7 +397,7 @@ test = [
 [package.metadata]
 requires-dist = [
     { name = "alembic", extras = ["tz"], specifier = ">=1.18.4" },
-    { name = "fastapi", specifier = ">=0.136.1" },
+    { name = "fastapi", specifier = ">=0.138.0" },
     { name = "httpx", specifier = ">=0.28.1" },
     { name = "logfire", extras = ["fastapi", "psycopg", "sqlalchemy"], specifier = ">=4.37.0" },
     { name = "psycopg", extras = ["binary"], specifier = ">=3.3.4" },