diff --git a/alembic/versions/1b6d7dc5600a_versioning_passwords.py b/alembic/versions/1b6d7dc5600a_versioning_passwords.py
new file mode 100644
index 0000000..39391f7
--- /dev/null
+++ b/alembic/versions/1b6d7dc5600a_versioning_passwords.py
@@ -0,0 +1,23 @@
+"""versioning_passwords
+
+Revision ID: 1b6d7dc5600a
+Revises: 3b441ef4e928
+Create Date: 2016-01-13 07:57:23.465676
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '1b6d7dc5600a'
+down_revision = '3b441ef4e928'
+
+from alembic import op
+import sqlalchemy as sa
+
+
+def upgrade():
+        op.execute('''UPDATE "users" SET password = '$1$' || password;''')
+
+
+
+def downgrade():
+        raise ValueError("Password can not be downgraded")