diff --git a/changelog b/changelog
index 0420badf..849a5f3c 100644
--- a/changelog
+++ b/changelog
@@ -1,5 +1,9 @@
 CHANGELOG
 
+0.18.1
+
+
+
 0.18.0
 
 [260] support for static columns
@@ -8,7 +12,7 @@ CHANGELOG
 [256] write docs about developing cqlengine itself
 [254] use CASSANDRA_VERSION in tests
 [252] memtable_flush_period_in_ms not in C 1.2 - guard against test failure
-[251] test fails occasionally despite lists looking the same 
+[251] test fails occasionally despite lists looking the same
 [246] document Batches default behaviour
 [239] add sphinx contrib module to docs
 [237] update to cassandra-driver 2.1
diff --git a/cqlengine/columns.py b/cqlengine/columns.py
index af895023..9297d3d8 100644
--- a/cqlengine/columns.py
+++ b/cqlengine/columns.py
@@ -221,7 +221,7 @@ class Blob(Column):
 
     def to_database(self, value):
 
-        if not isinstance(value, six.binary_type):
+        if not isinstance(value, (six.binary_type, bytearray)):
             raise Exception("expecting a binary, got a %s" % type(value))
 
         val = super(Bytes, self).to_database(value)
diff --git a/cqlengine/tests/columns/test_value_io.py b/cqlengine/tests/columns/test_value_io.py
index 45bc5945..b7587afa 100644
--- a/cqlengine/tests/columns/test_value_io.py
+++ b/cqlengine/tests/columns/test_value_io.py
@@ -85,6 +85,12 @@ class TestBlobIO(BaseColumnIOTest):
     pkey_val = six.b('blake'), uuid4().bytes
     data_val = six.b('eggleston'), uuid4().bytes
 
+class TestBlobIO2(BaseColumnIOTest):
+
+    column = columns.Blob
+    pkey_val = bytearray(six.b('blake')), uuid4().bytes
+    data_val = bytearray(six.b('eggleston')), uuid4().bytes
+
 class TestTextIO(BaseColumnIOTest):
 
     column = columns.Text