diff --git a/requirements.txt b/requirements.txt
index f7ae78b..5b15ecf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
-python-dateutil==2.6.0
-psycopg2==2.7.1
-SQLAlchemy==1.1.11
-pytest==3.1.2
+python-dateutil==2.7.3
+psycopg2==2.7.5
+SQLAlchemy==1.2.8
+pytest==3.6.1
 pytest-cov==2.5.1
\ No newline at end of file