diff --git a/fixed-requirements.txt b/fixed-requirements.txt
index 3edd075ab0..df04b8206b 100644
--- a/fixed-requirements.txt
+++ b/fixed-requirements.txt
@@ -14,7 +14,7 @@ requests[security]>=2.13.0,<2.14
 apscheduler==3.3.1
 gitpython==2.1.3
 jsonschema>=2.5.0,<2.6
-mongoengine==0.13.0
+mongoengine==0.11.0
 pymongo==3.4.0
 passlib==1.6.5
 lockfile>=0.10.2,<0.11
diff --git a/requirements.txt b/requirements.txt
index 6fa54902cd..204e049abf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ jsonschema<2.6,>=2.5.0
 kombu==3.0.37
 lockfile<0.11,>=0.10.2
 mock
-mongoengine==0.13.0
+mongoengine==0.11.0
 networkx==1.10
 nose
 oslo.config<1.13,>=1.12.1
diff --git a/st2actions/tests/unit/policies/test_concurrency.py b/st2actions/tests/unit/policies/test_concurrency.py
index 54ebe4e4f3..78af2635f7 100644
--- a/st2actions/tests/unit/policies/test_concurrency.py
+++ b/st2actions/tests/unit/policies/test_concurrency.py
@@ -248,7 +248,7 @@ def test_on_cancellation(self):
         # Since states are being processed asynchronously, wait for the
         # liveactions to go into scheduled states.
         for i in range(0, 100):
-            eventlet.sleep(2)
+            eventlet.sleep(1)
             scheduled = [item for item in LiveAction.get_all() if item.status in SCHEDULED_STATES]
             if len(scheduled) == policy_db.parameters['threshold']:
                 break
@@ -272,7 +272,7 @@ def test_on_cancellation(self):
         # Since states are being processed asynchronously, wait for the
         # liveaction to go into delayed state.
         for i in range(0, 100):
-            eventlet.sleep(2)
+            eventlet.sleep(1)
             liveaction = LiveAction.get_by_id(str(liveaction.id))
             if liveaction.status == action_constants.LIVEACTION_STATUS_DELAYED:
                 break
@@ -291,7 +291,7 @@ def test_on_cancellation(self):
         # Since states are being processed asynchronously, wait for the
         # liveaction to go into scheduled state.
         for i in range(0, 100):
-            eventlet.sleep(2)
+            eventlet.sleep(1)
             liveaction = LiveAction.get_by_id(str(liveaction.id))
             if liveaction.status in SCHEDULED_STATES:
                 break