diff --git a/migrations/2018-04-08-172739_default_posted/down.sql b/migrations/2018-04-08-172739_default_posted/down.sql
new file mode 100644
index 000000000..64dc07e06
--- /dev/null
+++ b/migrations/2018-04-08-172739_default_posted/down.sql
@@ -0,0 +1,2 @@
+ALTER TABLE threads ALTER COLUMN posted DROP DEFAULT;
+ALTER TABLE posts ALTER COLUMN posted DROP DEFAULT;
diff --git a/migrations/2018-04-08-172739_default_posted/up.sql b/migrations/2018-04-08-172739_default_posted/up.sql
new file mode 100644
index 000000000..afca8181c
--- /dev/null
+++ b/migrations/2018-04-08-172739_default_posted/up.sql
@@ -0,0 +1,2 @@
+ALTER TABLE threads ALTER COLUMN posted SET DEFAULT (NOW() AT TIME ZONE 'UTC');
+ALTER TABLE posts ALTER COLUMN posted SET DEFAULT (NOW() AT TIME ZONE 'UTC');