@@ -316,6 +316,7 @@ defaultConfiguration = Configuration
316316 , "seqid < 0.2" -- newer versions depend on transformers 0.4.x which we cannot provide in GHC 7.8.x
317317 , "seqid-streams < 0.2" -- newer versions depend on transformers 0.4.x which we cannot provide in GHC 7.8.x
318318 , "split < 0.2" -- newer versions don't work with GHC 6.12.3
319+ , "tar < 0.4.2.0" -- later versions don't work with GHC < 7.6.x
319320 , "vector < 0.10.10" -- newer versions don't work with GHC 6.12.3
320321 , "zlib < 0.6" -- newer versions break cabal-install
321322 ]