diff --git a/pkgs/development/haskell-modules/configuration-ghc-8.6.x.nix b/pkgs/development/haskell-modules/configuration-ghc-8.6.x.nix
index 57c38b22ccd..339fda5d6fb 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-8.6.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-8.6.x.nix
@@ -64,6 +64,7 @@ self: super: {
   monad-par = dontCheck super.monad-par;  # https://github.com/simonmar/monad-par/issues/66
   github = dontCheck super.github; # hspec upper bound exceeded; https://github.com/phadej/github/pull/341
   binary-orphans = dontCheck super.binary-orphans; # tasty upper bound exceeded; https://github.com/phadej/binary-orphans/commit/8ce857226595dd520236ff4c51fa1a45d8387b33
+  rebase = doJailbreak super.rebase; # time ==1.9.* is too low
 
   # https://github.com/jgm/skylighting/issues/55
   skylighting-core = dontCheck super.skylighting-core;