diff --git a/requirements.in/base.txt b/requirements.in/base.txt
index 6842b02..37de777 100644
--- a/requirements.in/base.txt
+++ b/requirements.in/base.txt
@@ -1,7 +1,8 @@
 django>=4.0,<5.0
 msgpack
 pynacl
-fastapi
+fastapi>=0.104
+pydantic>=2.0.0
 typing_extensions
 uvicorn[standard]
 aiofiles
diff --git a/requirements.txt b/requirements.txt
index 2c736b0..a0c480a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -65,7 +65,9 @@ orjson==3.10.3
 pycparser==2.22
     # via cffi
 pydantic==2.7.3
-    # via fastapi
+    # via
+    #   -r requirements.in/base.txt
+    #   fastapi
 pydantic-core==2.18.4
     # via pydantic
 pygments==2.18.0