From 8358ffc7081091c52a39bd468c39658f0f336c6c Mon Sep 17 00:00:00 2001
From: Matt McHenry <github@matt.mchenryfamily.org>
Date: Fri, 4 Jan 2019 23:08:53 -0500
Subject: [PATCH] haskellPackages.friday: jailbreak

---
 pkgs/development/haskell-modules/configuration-common.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index 7bd540c8578e..c55ddf833d7b 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -520,6 +520,10 @@ self: super: {
   # generic-deriving bound is too tight
   aeson = doJailbreak super.aeson;
 
+  # containers >=0.4 && <0.6 is too tight
+  # https://github.com/RaphaelJ/friday/issues/34
+  friday = doJailbreak super.friday;
+
   # Won't compile with recent versions of QuickCheck.
   inilist = dontCheck super.inilist;
   MissingH = dontCheck super.MissingH;