diff --git a/cabal.project b/cabal.project
index 1c3687f2e25..f26b3628657 100644
--- a/cabal.project
+++ b/cabal.project
@@ -4,7 +4,7 @@ tests: True
 
 packages: Cabal/Cabal-quickcheck/
 
-packages: https://hackage.haskell.org/package/rere-0.1/candidate/rere-0.1.tar.gz
+packages: http://hackage.haskell.org/package/rere-0.1/candidate/rere-0.1.tar.gz
 
 -- Uncomment to allow picking up extra local unpacked deps:
 --optional-packages: */
diff --git a/cabal.project.validate b/cabal.project.validate
index a52f80931dc..a2845b0b14d 100644
--- a/cabal.project.validate
+++ b/cabal.project.validate
@@ -1,6 +1,9 @@
 packages: Cabal/ cabal-testsuite/ cabal-install/ solver-benchmarks/
 tests: True
 
+-- temporary
+packages: http://hackage.haskell.org/package/rere-0.1/candidate/rere-0.1.tar.gz
+
 write-ghc-environment-files: never
 
 package Cabal
diff --git a/cabal.project.validate.libonly b/cabal.project.validate.libonly
index b6f64415239..4b246fed861 100644
--- a/cabal.project.validate.libonly
+++ b/cabal.project.validate.libonly
@@ -1,6 +1,8 @@
 packages: Cabal/ cabal-testsuite/
 tests: True
 
+packages: https://hackage.haskell.org/package/rere-0.1/candidate/rere-0.1.tar.gz
+
 write-ghc-environment-files: never
 
 package Cabal