diff --git a/cabal.project b/cabal.project
new file mode 100644
index 0000000..5c3d38e
--- /dev/null
+++ b/cabal.project
@@ -0,0 +1,11 @@
+packages: .
+
+optional-packages: vendor/*/*.cabal
+
+documentation: True
+haddock-hoogle: True
+
+allow-newer:
+  , co-log:ansi-terminal
+  , co-log-polysemy:polysemy
+  , polysemy:Cabal