diff --git a/pyproject.toml b/pyproject.toml
index 48d20c0..ce6c4a2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,7 +31,14 @@ build-backend = "uv_build"
 module-name = ["llteacher", "accounts", "conversations", "homeworks", "llm"]
 
 [tool.uv]
-dev-dependencies = ["pytest", "pytest-django", "ruff", "mypy", "coverage"]
+dev-dependencies = [
+    "pytest",
+    "pytest-django",
+    "ruff",
+    "mypy",
+    "coverage",
+    "types-requests>=2.33.0.20260518",
+]
 
 [tool.coverage.run]
 source = ["src"]
diff --git a/src/accounts/canvas_service.py b/src/accounts/canvas_service.py
index ffaf8e3..f402eb4 100644
--- a/src/accounts/canvas_service.py
+++ b/src/accounts/canvas_service.py
@@ -127,7 +127,7 @@ def get_teacher_courses(self, access_token: str) -> list[CanvasCourseInfo]:
                 params={
                     "enrollment_type": "teacher",
                     "enrollment_state": "active",
-                    "per_page": 100,
+                    "per_page": "100",
                     "include[]": "term",
                 },
                 timeout=10,
diff --git a/uv.lock b/uv.lock
index e70c6c4..5e86b3f 100644
--- a/uv.lock
+++ b/uv.lock
@@ -431,6 +431,7 @@ dev = [
     { name = "pytest" },
     { name = "pytest-django" },
     { name = "ruff" },
+    { name = "types-requests" },
 ]
 
 [package.metadata]
@@ -459,6 +460,7 @@ dev = [
     { name = "pytest" },
     { name = "pytest-django" },
     { name = "ruff" },
+    { name = "types-requests", specifier = ">=2.33.0.20260518" },
 ]
 
 [[package]]
@@ -987,6 +989,18 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/bd/e0/1eed384f02555dde685fff1a1ac805c1c7dcb6dd019c916fe659b1c1f9ec/types_pyyaml-6.0.12.20250915-py3-none-any.whl", hash = "sha256:e7d4d9e064e89a3b3cae120b4990cd370874d2bf12fa5f46c97018dd5d3c9ab6", size = 20338, upload-time = "2025-09-15T03:00:59.218Z" },
 ]
 
+[[package]]
+name = "types-requests"
+version = "2.33.0.20260518"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "urllib3" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/e0/01/c5a19253fe1ac159159ddf9a3a07cec8bb5e486ec4d9002ad2821da0e5d2/types_requests-2.33.0.20260518.tar.gz", hash = "sha256:df7bd3bfe0ca8402dfb841e7d9be714bb5578203283d66d7dc4ef69343449a5e", size = 24752, upload-time = "2026-05-18T06:07:37.966Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/1c/bc/b139710a3b6018f7fb2b9508b35c8af564e61bf2bf4fa619d088f3e16f85/types_requests-2.33.0.20260518-py3-none-any.whl", hash = "sha256:626d697d1adaaff76e2044dc8c5c051d8f21abc157bdfe204a75558076fe0bf0", size = 21391, upload-time = "2026-05-18T06:07:37.044Z" },
+]
+
 [[package]]
 name = "typing-extensions"
 version = "4.15.0"