diff --git a/pkgs/development/haskell-modules/configuration-ghc-6.12.x.nix b/pkgs/development/haskell-modules/configuration-ghc-6.12.x.nix
index bfb9ecdb5ba..06fedc6a1c4 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-6.12.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-6.12.x.nix
@@ -91,4 +91,7 @@ self: super: {
   # Needs hashable on pre 7.10.x compilers.
   nats = addBuildDepend super.nats self.hashable;
 
+  # Needs void on pre 7.10.x compilers.
+  conduit = addBuildDepend super.conduit self.void;
+
 }
diff --git a/pkgs/development/haskell-modules/configuration-ghc-7.0.x.nix b/pkgs/development/haskell-modules/configuration-ghc-7.0.x.nix
index 55432ccdac5..9ce0e920042 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-7.0.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-7.0.x.nix
@@ -73,4 +73,7 @@ self: super: {
   # Newer versions require bytestring >=0.10.
   tar = super.tar_0_4_1_0;
 
+  # Needs void on pre 7.10.x compilers.
+  conduit = addBuildDepend super.conduit self.void;
+
 }
diff --git a/pkgs/development/haskell-modules/configuration-ghc-7.2.x.nix b/pkgs/development/haskell-modules/configuration-ghc-7.2.x.nix
index c848a50cd36..ae85c4a009c 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-7.2.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-7.2.x.nix
@@ -73,4 +73,7 @@ self: super: {
   # Newer versions require bytestring >=0.10.
   tar = super.tar_0_4_1_0;
 
+  # Needs void on pre 7.10.x compilers.
+  conduit = addBuildDepend super.conduit self.void;
+
 }
diff --git a/pkgs/development/haskell-modules/configuration-ghc-7.4.x.nix b/pkgs/development/haskell-modules/configuration-ghc-7.4.x.nix
index 0046ad66c23..aa27b70a566 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-7.4.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-7.4.x.nix
@@ -82,4 +82,7 @@ self: super: {
   # Newer versions require bytestring >=0.10.
   tar = super.tar_0_4_1_0;
 
+  # Needs void on pre 7.10.x compilers.
+  conduit = addBuildDepend super.conduit self.void;
+
 }
diff --git a/pkgs/development/haskell-modules/configuration-ghc-7.6.x.nix b/pkgs/development/haskell-modules/configuration-ghc-7.6.x.nix
index ccc4aa54c28..a1ce7cf68d6 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-7.6.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-7.6.x.nix
@@ -79,10 +79,6 @@ self: super: {
   # Needs hashable on pre 7.10.x compilers.
   nats = addBuildDepend super.nats self.hashable;
 
-  # Newer versions always trigger the non-deterministic library ID bug
-  # and are virtually impossible to compile on Hydra.
-  conduit = super.conduit_1_2_4_1;
-
   # https://github.com/magthe/sandi/issues/7
   sandi = overrideCabal super.sandi (drv: {
     postPatch = "sed -i -e 's|base ==4.8.*,|base,|' sandi.cabal";
@@ -96,4 +92,7 @@ self: super: {
   convertible = markBroken super.convertible;
   ghc-mod = markBroken super.ghc-mod;
 
+  # Needs void on pre 7.10.x compilers.
+  conduit = addBuildDepend super.conduit self.void;
+
 }
diff --git a/pkgs/development/haskell-modules/configuration-ghc-7.8.x.nix b/pkgs/development/haskell-modules/configuration-ghc-7.8.x.nix
index e5f5d3c953a..4b1d9df24e4 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-7.8.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-7.8.x.nix
@@ -138,4 +138,7 @@ self: super: {
   xss-sanitize_0_3_5_4 = addBuildDepend super.xss-sanitize_0_3_5_4 self.network;
   xss-sanitize_0_3_5_5 = addBuildDepend super.xss-sanitize_0_3_5_5 self.network;
 
+  # Needs void on pre 7.10.x compilers.
+  conduit = addBuildDepend super.conduit self.void;
+
 }