diff --git a/cabal.project b/cabal.project
new file mode 100644
index 00000000..65dc56ff
--- /dev/null
+++ b/cabal.project
@@ -0,0 +1,8 @@
+packages:
+  H/H.cabal
+  HaskellR-examples/HaskellR-examples.cabal
+  ihaskell-inline-r/ihaskell-inline-r.cabal
+  inline-r/inline-r.cabal
+
+constraints:
+  ihaskell-blaze == 0.3.0.1