diff --git a/cabal.project b/cabal.project
new file mode 100644
index 0000000..20be325
--- /dev/null
+++ b/cabal.project
@@ -0,0 +1,8 @@
+with-compiler: ghc-8.4.3
+
+packages: .
+
+optimization: 2
+
+package *
+    optimization: 2