diff --git a/requirements.txt b/requirements.txt
index ed3218b..ab21d5f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,11 +1,11 @@
-Flask
-Flask-RESTful
-Flask-SQLAlchemy
-alembic
-easygui
-appdirs
-gevent
-idigbio
-unicodecsv
-enum34 ; python_version <= '2.7'
-pathlib ; python_version <= '2.7'
+Flask==0.12
+Flask-RESTful==0.3.5
+Flask-SQLAlchemy==2.2
+alembic==0.9.1
+easygui==0.98.1
+appdirs==1.4.2
+gevent==1.2.1
+idigbio==0.8.1
+unicodecsv==0.14.1
+enum34==1.1.6; python_version <= '2.7'
+pathlib==1.0.1; python_version <= '2.7'