diff --git a/obso/Tectonic.toml b/obso/Tectonic.toml
new file mode 100644
index 0000000..4f788d7
--- /dev/null
+++ b/obso/Tectonic.toml
@@ -0,0 +1,7 @@
+[doc]
+name = 'memo'
+bundle = 'https://data1.fullyjustified.net/tlextras-2021.3r1.tar'
+
+[[output]]
+name = 'default'
+type = 'pdf'