diff --git a/lemur/migrations/versions/33de094da890_.py b/lemur/migrations/versions/33de094da890_.py
new file mode 100644
index 00000000..a4ca3810
--- /dev/null
+++ b/lemur/migrations/versions/33de094da890_.py
@@ -0,0 +1,31 @@
+"""Adding the ability to specify certificate replacements
+
+Revision ID: 33de094da890
+Revises: ed422fc58ba
+Create Date: 2015-11-30 15:40:19.827272
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '33de094da890'
+down_revision = 'ed422fc58ba'
+
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import postgresql
+
+def upgrade():
+    ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('certificate_replacement_associations',
+    sa.Column('replaced_certificate_id', sa.Integer(), nullable=True),
+    sa.Column('certificate_id', sa.Integer(), nullable=True),
+    sa.ForeignKeyConstraint(['certificate_id'], ['certificates.id'], ondelete='cascade'),
+    sa.ForeignKeyConstraint(['replaced_certificate_id'], ['certificates.id'], ondelete='cascade')
+    )
+    ### end Alembic commands ###
+
+
+def downgrade():
+    ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('certificate_replacement_associations')
+    ### end Alembic commands ###
diff --git a/lemur/migrations/versions/ed422fc58ba_.py b/lemur/migrations/versions/ed422fc58ba_.py
index 0c52c1ae..d08a403b 100644
--- a/lemur/migrations/versions/ed422fc58ba_.py
+++ b/lemur/migrations/versions/ed422fc58ba_.py
@@ -28,8 +28,8 @@ from lemur.common.utils import get_psuedo_random_string
 
 conn = op.get_bind()
 
-#op.drop_table('encrypted_keys')
-#op.drop_table('encrypted_passwords')
+op.drop_table('encrypted_keys')
+op.drop_table('encrypted_passwords')
 
 # helper tables to migrate data
 temp_key_table = op.create_table('encrypted_keys',