diff --git a/NEWS.md b/NEWS.md
index 15d316e..bfbb82e 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,11 @@
+1.0.4 (2016-07-26)
+
+__Bugfixes__
+
+* Always default arguments to `NULL`, which prevents duplication & overwrite by
+  dataservices-api
+  ([#173](https://github.com/CartoDB/observatory-extension/issues/173))
+
 1.0.3 (2016-07-25)
 
 __Bugfixes__
diff --git a/src/pg/observatory.control b/src/pg/observatory.control
index a97eced..20d9a45 100644
--- a/src/pg/observatory.control
+++ b/src/pg/observatory.control
@@ -1,5 +1,5 @@
 comment = 'CartoDB Observatory backend extension'
-default_version = '1.0.3'
+default_version = '1.0.4'
 requires = 'postgis, postgres_fdw'
 superuser = true
 schema = cdb_observatory