diff --git a/README.org b/README.org
index 999fa54..db573bd 100644
--- a/README.org
+++ b/README.org
@@ -39,7 +39,7 @@
    This repository contains the above listed =public= directory for testing /raincloud/ locally.
    Just execute the following two command and navigate to [[http://localhost:5000/inbox][http://localhost:5000/inbox]].
 
-   : $ pip install flask toml
+   : $ pip install -r requirements.txt
    : $ ./run.py
 
    The password for the =alice= directory is =movie_evening!=.
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..f9ecb16
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,2 @@
+flask
+toml