diff --git a/requirements.txt b/requirements.txt
index ee84063..db1dd26 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,8 +1,29 @@
-fastapi
-uvicorn
-curl_cffi
-itsdangerous
-
-# tests
-pytest
-playwright
+# Full freeze of the runtime env (2026-09-15) — curl_cffi version churn =
+# impersonation churn = silent upstream 403 waves, so nothing here floats;
+# bump deliberately (uv pip install --python .venv/bin/python -r requirements.txt).
+annotated-doc==0.0.5
+annotated-types==0.8.0
+anyio==4.14.2
+certifi==2026.7.22
+cffi==2.1.1
+click==8.4.2
+curl-cffi==0.16.0
+fastapi==0.141.1
+greenlet==3.5.5
+h11==0.16.0
+idna==3.19
+iniconfig==2.3.0
+itsdangerous==2.2.0
+packaging==26.3
+playwright==1.62.0
+pluggy==1.6.0
+pycparser==3.0
+pydantic==2.13.4
+pydantic-core==2.46.4
+pyee==13.0.1
+pygments==2.21.0
+pytest==9.1.1
+starlette==1.6.0
+typing-extensions==4.16.0
+typing-inspection==0.4.4
+uvicorn==0.52.4