diff --git a/pkgs/development/libraries/haskell/hscolour/default.nix b/pkgs/development/libraries/haskell/hscolour/default.nix
index c608f6341a2..2c2aa5be7e6 100644
--- a/pkgs/development/libraries/haskell/hscolour/default.nix
+++ b/pkgs/development/libraries/haskell/hscolour/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "hscolour";
-  version = "1.19";
-  sha256 = "17wzd1b7kd4di7djj8d203rn6r1zvd6rykpxhqv7j06kzgx2r7bz";
+  version = "1.20.2";
+  sha256 = "0jl2m2bpsqg2hnf9mmwwrpa7af8wqwaajfp2h3nnnmy5qks10ad5";
   isLibrary = true;
   isExecutable = true;
   meta = {
diff --git a/pkgs/development/libraries/haskell/random-fu/default.nix b/pkgs/development/libraries/haskell/random-fu/default.nix
index dff11ae2033..72936308464 100644
--- a/pkgs/development/libraries/haskell/random-fu/default.nix
+++ b/pkgs/development/libraries/haskell/random-fu/default.nix
@@ -4,8 +4,8 @@
 
 cabal.mkDerivation (self: {
   pname = "random-fu";
-  version = "0.2.2.0";
-  sha256 = "1wv2c6ba3ad80zyj75xfds98q7psgjkmaqk2zm0srmipq06mx92r";
+  version = "0.2.3.0";
+  sha256 = "17vn1dz4z00xjpsxjx2dfjnz4qhbn5cbkm2s142kdskiphgxi2f8";
   buildDepends = [
     erf gamma monadLoops mtl randomShuffle randomSource rvar syb
     transformers vector
diff --git a/pkgs/development/tools/haskell/hlint/default.nix b/pkgs/development/tools/haskell/hlint/default.nix
index ba7cfe7a51f..3b2afdd791e 100644
--- a/pkgs/development/tools/haskell/hlint/default.nix
+++ b/pkgs/development/tools/haskell/hlint/default.nix
@@ -4,8 +4,8 @@
 
 cabal.mkDerivation (self: {
   pname = "hlint";
-  version = "1.8.28";
-  sha256 = "136arfmlfx15qwxvg3lw6wci8fiva1f9hjrk5qf70k9g84dxsjn8";
+  version = "1.8.29";
+  sha256 = "07l281106kkahdzgilhh2njjirll0mhr318i3zmhn2ygcb9dvkdr";
   isLibrary = true;
   isExecutable = true;
   buildDepends = [