diff --git a/requirements.in b/requirements.in
new file mode 100644
index 0000000..f066d7c
--- /dev/null
+++ b/requirements.in
@@ -0,0 +1,11 @@
+SQLAlchemy
+inflection
+flask
+blinker
+bcrypt
+fake-factory
+Flask-SQLAlchemy
+passlib
+pathtools
+SQLAlchemy-Utils
+pytest
diff --git a/requirements.txt b/requirements.txt
index 7ac68c2..9b44940 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,11 +1,27 @@
-SQLAlchemy>=1.0.8
-inflection>=0.3.1
-flask>=0.10.1
-blinker>=1.4
+#
+# This file is autogenerated by pip-compile
+# To update, run:
+#
+#    pip-compile --output-file requirements.txt requirements.in
+#
+
 bcrypt==2.0.0
+blinker==1.4
+cffi==1.7.0               # via bcrypt
+click==6.6                # via flask
 fake-factory==0.5.2
 Flask-SQLAlchemy==2.0
+flask==0.11.1
+inflection==0.3.1
+itsdangerous==0.24        # via flask
+jinja2==2.8               # via flask
+markupsafe==0.23          # via jinja2
 passlib==1.6.5
 pathtools==0.1.2
-SQLAlchemy-Utils==0.30.16
+py==1.4.31                # via pytest
+pycparser==2.14           # via cffi
 pytest==2.7.3
+six==1.10.0               # via bcrypt, sqlalchemy-utils
+SQLAlchemy-Utils==0.30.16
+sqlalchemy==1.0.13
+werkzeug==0.11.10         # via flask