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-rw-r--r--pkgs/development/haskell-modules/configuration-ghc-8.4.x.nix8
1 files changed, 7 insertions, 1 deletions
diff --git a/pkgs/development/haskell-modules/configuration-ghc-8.4.x.nix b/pkgs/development/haskell-modules/configuration-ghc-8.4.x.nix
index b0dc20128fc..db453e66c67 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-8.4.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-8.4.x.nix
@@ -418,7 +418,7 @@ self: super: {
   hspec-smallcheck = self.hspec-smallcheck_0_5_2;
   matrix = self.matrix_0_3_6_1;
   pandoc = self.pandoc_2_2_1;
-  pandoc-types = self.pandoc-types_1_17_4_2;
+  pandoc-types = self.pandoc-types_1_17_5_1;
   wl-pprint-text = self.wl-pprint-text_1_2_0_0;
 
   # https://github.com/xmonad/xmonad/issues/155
@@ -444,4 +444,10 @@ self: super: {
 
   lambdabot-core = appendPatch super.lambdabot-core ./patches/lambdabot-core-ghc-8.4.x-fix.patch;
 
+  # Version 1.9.1 excludes base-compat 0.10.x for the benefit of older
+  # compilers, but ghc 8.4.x works fine with the new version.
+  hledger-lib = doJailbreak super.hledger-lib;
+  hledger = doJailbreak super.hledger;
+  hledger-ui = doJailbreak super.hledger-ui;
+
 }