diff --git a/stack.yaml b/stack.yaml
new file mode 100644
index 0000000..57f8c6b
--- /dev/null
+++ b/stack.yaml
@@ -0,0 +1,3 @@
+# ~*~ auto-generated by haskell-ci with config : 7cb8db1c90854ae440aca1b3cde96895bf9153ceeddfe5fd39d82f8e300414c6 ~*~
+{ resolver: lts-12.14, packages: [ '.' ], extra-deps: [], flags: {} }
+