diff --git a/alembic/versions/43df5e588a87_add_closed_at_attribute_in_issues.py b/alembic/versions/43df5e588a87_add_closed_at_attribute_in_issues.py
new file mode 100644
index 0000000..5ceb1da
--- /dev/null
+++ b/alembic/versions/43df5e588a87_add_closed_at_attribute_in_issues.py
@@ -0,0 +1,27 @@
+"""add_closed_at_attribute_in_issues
+
+Revision ID: 43df5e588a87
+Revises: 22db0a833d35
+Create Date: 2016-06-28 22:59:36.653905
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '43df5e588a87'
+down_revision = '22db0a833d35'
+
+from alembic import op
+import sqlalchemy as sa
+
+
+def upgrade():
+    ''' Add closed_at column in issues table '''
+    op.add_column(
+            'issues',
+            sa.Column('closed_at', sa.DateTime, nullable=True)
+    )
+
+
+def downgrade():
+    ''' Remove the closed_at column in issues table '''
+    op.drop_column('issues', 'closed_at')
diff --git a/alembic/versions/ee8d5b76e817_add_closed_at_in_issues.py b/alembic/versions/ee8d5b76e817_add_closed_at_in_issues.py
deleted file mode 100644
index 28eafdb..0000000
--- a/alembic/versions/ee8d5b76e817_add_closed_at_in_issues.py
+++ /dev/null
@@ -1,26 +0,0 @@
-"""add_closed_at_in_issues
-
-Revision ID: ee8d5b76e817
-Revises: 317a285e04a8
-Create Date: 2016-06-28 18:04:05.539319
-
-"""
-
-# revision identifiers, used by Alembic.
-revision = 'ee8d5b76e817'
-down_revision = '317a285e04a8'
-
-from alembic import op
-import sqlalchemy as sa
-
-def upgrade():
-    ''' Add closed_at column in issues table '''
-    op.add_column(
-            'issues',
-            sa.Column('closed_at', sa.DateTime, nullable=True)
-    )
-
-
-def downgrade():
-    ''' Remove the closed_at column in issues table '''
-    op.drop_column('issues', 'closed_at')