diff --git a/bootstrap/playbooks/tasks/base.yaml b/bootstrap/playbooks/tasks/base.yaml
index 047a4a37..b46d9c7d 100644
--- a/bootstrap/playbooks/tasks/base.yaml
+++ b/bootstrap/playbooks/tasks/base.yaml
@@ -55,6 +55,8 @@
   - tox
   - riak
   - pbr
+  # for pg backend
+  - psycogreen
 
 # pre install solare requirements
 - shell: pip install -r https://raw.githubusercontent.com/openstack/solar/master/requirements.txt
diff --git a/requirements.txt b/requirements.txt
index 18d25afb..bf3fd4a4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,6 +29,7 @@ wrapt
 peewee
 # if you want to use sql + postgresql then
 # psycopg2
+# psycogreen
 
 # if you want to use lua computable inputs
 # lupa
diff --git a/solar/dblayer/__init__.py b/solar/dblayer/__init__.py
index b6577799..5077e8d9 100644
--- a/solar/dblayer/__init__.py
+++ b/solar/dblayer/__init__.py
@@ -64,7 +64,11 @@ elif _connection.mode == 'riak':
 
 elif _connection.mode == 'postgresql':
     # TODO: collation has to be `C`
+    import psycogreen.gevent
+    psycogreen.gevent.patch_psycopg()
+
     from solar.dblayer.sql_client import SqlClient
+
     opts = {'autocommit': False}
     opts.update(_connection_details.toDict())
     if _connection.port: