diff --git a/package/postgresql/postgresql.hash b/package/postgresql/postgresql.hash
new file mode 100644
index 0000000000..834eb30036
--- /dev/null
+++ b/package/postgresql/postgresql.hash
@@ -0,0 +1,2 @@
+# From https://ftp.postgresql.org/pub/source/v9.4.0/postgresql-9.4.0.tar.bz2.sha256
+sha256	7a35c3cb77532f7b15702e474d7ef02f0f419527ee80a4ca6036fffb551625a5	postgresql-9.4.0.tar.bz2