diff --git a/pkgs/development/haskell-modules/configuration-nix.nix b/pkgs/development/haskell-modules/configuration-nix.nix
index 89827e8c9d9..34048c0b439 100644
--- a/pkgs/development/haskell-modules/configuration-nix.nix
+++ b/pkgs/development/haskell-modules/configuration-nix.nix
@@ -464,4 +464,13 @@ self: super: builtins.intersectAttrs super {
   # Haskell OpenCV bindings need contrib code enabled in the C++ library.
   opencv = super.opencv.override { opencv3 = pkgs.opencv3.override { enableContrib = true; }; };
 
+  # Without this override, the builds lacks pkg-config.
+  opencv-extra = addPkgconfigDepend super.opencv-extra (pkgs.opencv3.override { enableContrib = true; });
+
+  # Needs a newer version of brick than lts-8.x provides.
+  hledger-iadd = super.hledger-iadd.override { brick = self.brick_0_19; };
+
+  # Needs a newer version of hsyslog than lts-8.x provides.
+  logging-facade-syslog = super.logging-facade-syslog.override { hsyslog = self.hsyslog_5; };
+
 }