diff --git a/pkgs/development/libraries/haskell/accelerate/default.nix b/pkgs/development/libraries/haskell/accelerate/default.nix
index 0d641b3ac2b..399140f7283 100644
--- a/pkgs/development/libraries/haskell/accelerate/default.nix
+++ b/pkgs/development/libraries/haskell/accelerate/default.nix
@@ -2,10 +2,9 @@
 
 cabal.mkDerivation (self: {
   pname = "accelerate";
-  version = "0.13.0.2";
-  sha256 = "1xcgcr3wrvvckjhxbr80567gmg6rx9ks7rl4jcr6c6mdv6svx4jb";
+  version = "0.13.0.4";
+  sha256 = "1rhbvzgafw3cx2wi4zfil4nxcziqpbh20q3nafck30q2xvrwkmwm";
   buildDepends = [ fclabels hashable hashtables ];
-  noHaddock = true;
   meta = {
     homepage = "https://github.com/AccelerateHS/accelerate/";
     description = "An embedded language for accelerated array processing";
diff --git a/pkgs/development/libraries/haskell/contravariant/default.nix b/pkgs/development/libraries/haskell/contravariant/default.nix
index 2c967d26085..e1f5e2ae567 100644
--- a/pkgs/development/libraries/haskell/contravariant/default.nix
+++ b/pkgs/development/libraries/haskell/contravariant/default.nix
@@ -2,12 +2,12 @@
 
 cabal.mkDerivation (self: {
   pname = "contravariant";
-  version = "0.4";
-  sha256 = "1nqslc9vcx6v6c33fn7mvb1xhr33yl3ja92p788zx8z1drx9cqc3";
+  version = "0.4.1";
+  sha256 = "0alzl47lqzw9fqjqxdfy40f1aynd8mc00b2h7fj2ch0zq82hm85q";
   buildDepends = [ tagged transformers transformersCompat ];
   meta = {
     homepage = "http://github.com/ekmett/contravariant/";
-    description = "Haskell 98 contravariant functors";
+    description = "Contravariant functors";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
   };
diff --git a/pkgs/development/libraries/haskell/entropy/default.nix b/pkgs/development/libraries/haskell/entropy/default.nix
index f98903d3dc1..797ce1711b2 100644
--- a/pkgs/development/libraries/haskell/entropy/default.nix
+++ b/pkgs/development/libraries/haskell/entropy/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "entropy";
-  version = "0.2.2";
-  sha256 = "1zri5qs19cbz9ydbh076q6834pspf2gqn06ssz4hsq6j65cnd9x2";
+  version = "0.2.2.1";
+  sha256 = "1yl1gmkmbalm27pjlpm9nhsbxpvxl8w7p8psq5apyrbdqnv9yhbg";
   meta = {
     homepage = "https://github.com/TomMD/entropy";
     description = "A platform independent entropy source";
diff --git a/pkgs/development/libraries/haskell/ghc-vis/default.nix b/pkgs/development/libraries/haskell/ghc-vis/default.nix
index 12508a09c63..856ec810463 100644
--- a/pkgs/development/libraries/haskell/ghc-vis/default.nix
+++ b/pkgs/development/libraries/haskell/ghc-vis/default.nix
@@ -4,8 +4,8 @@
 
 cabal.mkDerivation (self: {
   pname = "ghc-vis";
-  version = "0.7.0.1";
-  sha256 = "0k6pm1lqmcmgdqzcdbygdyg6bgx4k0gi77k1mxwprgr9vv3ly26w";
+  version = "0.7.1";
+  sha256 = "05j3yw1276wvy4va7r7pbnvhjg1k1mxzp4baxcb9jlb5dxfh0daa";
   buildDepends = [
     cairo deepseq fgl ghcHeapView graphviz gtk mtl svgcairo text
     transformers xdot