diff --git a/pkgs/development/libraries/haskell/pandoc-types/default.nix b/pkgs/development/libraries/haskell/pandoc-types/default.nix
index 63874d39fb8..d4f49791d30 100644
--- a/pkgs/development/libraries/haskell/pandoc-types/default.nix
+++ b/pkgs/development/libraries/haskell/pandoc-types/default.nix
@@ -1,10 +1,10 @@
-{ cabal, aeson, syb }:
+{ cabal, syb }:
 
 cabal.mkDerivation (self: {
   pname = "pandoc-types";
-  version = "1.12";
-  sha256 = "1dn5zl6r1vvnqcsdxdd5cv0n44rbffg3sm2jxpvcv9846wpaj8qj";
-  buildDepends = [ aeson syb ];
+  version = "1.10";
+  sha256 = "1xbqvgb95h0jhqx2y0jzds3xvycx5gwi3xn6agdmfkg7xhx9hnz6";
+  buildDepends = [ syb ];
   meta = {
     homepage = "http://johnmacfarlane.net/pandoc";
     description = "Types for representing a structured document";
diff --git a/pkgs/development/libraries/haskell/tagsoup/default.nix b/pkgs/development/libraries/haskell/tagsoup/default.nix
index 5dc83178be0..3258267f012 100644
--- a/pkgs/development/libraries/haskell/tagsoup/default.nix
+++ b/pkgs/development/libraries/haskell/tagsoup/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "tagsoup";
-  version = "0.13";
-  sha256 = "1pfkcfrmhzxplfkdzb0zj24dfsddw91plqp3mg2gqkv82y8blzk1";
+  version = "0.12.8";
+  sha256 = "05cm9h80qmxvk7xhlgly9zcmpbsajagspaa8p6k4ddch6q9lj7m3";
   isLibrary = true;
   isExecutable = true;
   buildDepends = [ text ];
diff --git a/pkgs/development/libraries/haskell/thyme/default.nix b/pkgs/development/libraries/haskell/thyme/default.nix
index 7d79881127d..dde2b0942f5 100644
--- a/pkgs/development/libraries/haskell/thyme/default.nix
+++ b/pkgs/development/libraries/haskell/thyme/default.nix
@@ -15,6 +15,7 @@ cabal.mkDerivation (self: {
     attoparsec Cabal filepath lens QuickCheck random
     systemPosixRedirect text time vectorSpace
   ];
+  check = false;
   meta = {
     homepage = "https://github.com/liyang/thyme";
     description = "A faster time library";
diff --git a/pkgs/development/libraries/haskell/vault/default.nix b/pkgs/development/libraries/haskell/vault/default.nix
index f73633b4f24..4632d599a2e 100644
--- a/pkgs/development/libraries/haskell/vault/default.nix
+++ b/pkgs/development/libraries/haskell/vault/default.nix
@@ -5,6 +5,7 @@ cabal.mkDerivation (self: {
   version = "0.3.0.0";
   sha256 = "1lvv2sw5j48jbxniw55bxq88dhn46l7lk0blv2cnaf1vw6wms4m8";
   buildDepends = [ hashable unorderedContainers ];
+  jailbreak = true;
   meta = {
     homepage = "https://github.com/HeinrichApfelmus/vault";
     description = "a persistent store for values of arbitrary types";