diff --git a/pkgs/development/haskell-modules/non-hackage-packages.nix b/pkgs/development/haskell-modules/non-hackage-packages.nix
index b31f6c6289d5..af317c92a5ab 100644
--- a/pkgs/development/haskell-modules/non-hackage-packages.nix
+++ b/pkgs/development/haskell-modules/non-hackage-packages.nix
@@ -25,6 +25,8 @@ self: super: {
   hls-tactics-plugin = self.callPackage ../tools/haskell/haskell-language-server/hls-tactics-plugin.nix { };
   hls-explicit-imports-plugin = self.callPackage ../tools/haskell/haskell-language-server/hls-explicit-imports-plugin.nix { };
   hls-retrie-plugin = self.callPackage ../tools/haskell/haskell-language-server/hls-retrie-plugin.nix { };
+  hls-class-plugin = self.callPackage ../tools/haskell/haskell-language-server/hls-class-plugin.nix { };
+  hls-eval-plugin = self.callPackage ../tools/haskell/haskell-language-server/hls-eval-plugin.nix { };
 
   nix-output-monitor = self.callPackage ../../tools/nix/nix-output-monitor { };
 
diff --git a/pkgs/development/tools/haskell/haskell-language-server/default.nix b/pkgs/development/tools/haskell/haskell-language-server/default.nix
index e33d731dae43..44cd234da722 100644
--- a/pkgs/development/tools/haskell/haskell-language-server/default.nix
+++ b/pkgs/development/tools/haskell/haskell-language-server/default.nix
@@ -2,21 +2,23 @@
 , bytestring, containers, data-default, deepseq, directory, extra
 , fetchgit, filepath, floskell, fourmolu, ghc, ghc-boot-th
 , ghc-paths, ghcide, gitrev, hashable, haskell-lsp, hie-bios
-, hls-explicit-imports-plugin, hls-hlint-plugin, hls-plugin-api
-, hls-retrie-plugin, hls-tactics-plugin, hslogger, hspec
-, hspec-core, lens, lsp-test, mtl, optparse-applicative
+, hls-class-plugin, hls-eval-plugin, hls-explicit-imports-plugin
+, hls-hlint-plugin, hls-plugin-api, hls-retrie-plugin
+, hls-tactics-plugin, hslogger, hspec, hspec-core
+, hspec-expectations, lens, lsp-test, mtl, optparse-applicative
 , optparse-simple, ormolu, process, regex-tdfa, safe-exceptions
 , shake, stdenv, stm, stylish-haskell, tasty, tasty-ant-xml
 , tasty-expected-failure, tasty-golden, tasty-hunit, tasty-rerun
-, temporary, text, time, transformers, unordered-containers, yaml
+, temporary, text, transformers, unordered-containers, with-utf8
+, yaml
 }:
 mkDerivation {
   pname = "haskell-language-server";
-  version = "0.7.1.0";
+  version = "0.8.0.0";
   src = fetchgit {
     url = "https://github.com/haskell/haskell-language-server.git";
-    sha256 = "0gkzvjx4dgf53yicinqjshlj80gznx5khb62i7g3kqjr85iy0raa";
-    rev = "e4f677e1780fe85a02b99a09404a0a3c3ab5ce7c";
+    sha256 = "0p6fqs07lajbi2g1wf4w3j5lvwknnk58n12vlg48cs4iz25gp588";
+    rev = "eb58f13f7b8e4f9bc771af30ff9fd82dc4309ff5";
     fetchSubmodules = true;
   };
   isLibrary = true;
@@ -29,19 +31,20 @@ mkDerivation {
   executableHaskellDepends = [
     aeson base binary brittany bytestring containers deepseq directory
     extra filepath floskell fourmolu ghc ghc-boot-th ghc-paths ghcide
-    gitrev hashable haskell-lsp hie-bios hls-explicit-imports-plugin
-    hls-hlint-plugin hls-plugin-api hls-retrie-plugin
-    hls-tactics-plugin hslogger lens mtl optparse-applicative
-    optparse-simple ormolu process regex-tdfa safe-exceptions shake
-    stylish-haskell temporary text time transformers
-    unordered-containers
+    gitrev hashable haskell-lsp hie-bios hls-class-plugin
+    hls-eval-plugin hls-explicit-imports-plugin hls-hlint-plugin
+    hls-plugin-api hls-retrie-plugin hls-tactics-plugin hslogger lens
+    mtl optparse-applicative optparse-simple ormolu process regex-tdfa
+    safe-exceptions shake stylish-haskell temporary text transformers
+    unordered-containers with-utf8
   ];
   testHaskellDepends = [
     aeson base blaze-markup bytestring containers data-default
     directory extra filepath haskell-lsp hie-bios hls-plugin-api
-    hslogger hspec hspec-core lens lsp-test process stm tasty
-    tasty-ant-xml tasty-expected-failure tasty-golden tasty-hunit
-    tasty-rerun temporary text transformers unordered-containers yaml
+    hslogger hspec hspec-core hspec-expectations lens lsp-test process
+    stm tasty tasty-ant-xml tasty-expected-failure tasty-golden
+    tasty-hunit tasty-rerun temporary text transformers
+    unordered-containers yaml
   ];
   testToolDepends = [ ghcide ];
   homepage = "https://github.com/haskell/haskell-language-server#readme";
diff --git a/pkgs/development/tools/haskell/haskell-language-server/hls-class-plugin.nix b/pkgs/development/tools/haskell/haskell-language-server/hls-class-plugin.nix
new file mode 100644
index 000000000000..86c29c7be390
--- /dev/null
+++ b/pkgs/development/tools/haskell/haskell-language-server/hls-class-plugin.nix
@@ -0,0 +1,21 @@
+{ mkDerivation, aeson, base, containers, fetchgit, ghc
+, ghc-exactprint, ghcide, haskell-lsp, hls-plugin-api, lens, shake
+, stdenv, text, transformers, unordered-containers
+}:
+mkDerivation {
+  pname = "hls-class-plugin";
+  version = "0.1.0.0";
+  src = fetchgit {
+    url = "https://github.com/haskell/haskell-language-server.git";
+    sha256 = "0p6fqs07lajbi2g1wf4w3j5lvwknnk58n12vlg48cs4iz25gp588";
+    rev = "eb58f13f7b8e4f9bc771af30ff9fd82dc4309ff5";
+    fetchSubmodules = true;
+  };
+  postUnpack = "sourceRoot+=/plugins/hls-class-plugin; echo source root reset to $sourceRoot";
+  libraryHaskellDepends = [
+    aeson base containers ghc ghc-exactprint ghcide haskell-lsp
+    hls-plugin-api lens shake text transformers unordered-containers
+  ];
+  description = "Explicit imports plugin for Haskell Language Server";
+  license = stdenv.lib.licenses.asl20;
+}
diff --git a/pkgs/development/tools/haskell/haskell-language-server/hls-eval-plugin.nix b/pkgs/development/tools/haskell/haskell-language-server/hls-eval-plugin.nix
new file mode 100644
index 000000000000..20ebc5f5e898
--- /dev/null
+++ b/pkgs/development/tools/haskell/haskell-language-server/hls-eval-plugin.nix
@@ -0,0 +1,27 @@
+{ mkDerivation, aeson, base, containers, deepseq, Diff, directory
+, extra, fetchgit, filepath, ghc, ghc-boot-th, ghc-paths, ghcide
+, hashable, haskell-lsp, haskell-lsp-types, hls-plugin-api
+, parser-combinators, pretty-simple, QuickCheck, safe-exceptions
+, shake, stdenv, temporary, text, time, transformers
+, unordered-containers
+}:
+mkDerivation {
+  pname = "hls-eval-plugin";
+  version = "0.1.0.0";
+  src = fetchgit {
+    url = "https://github.com/haskell/haskell-language-server.git";
+    sha256 = "0p6fqs07lajbi2g1wf4w3j5lvwknnk58n12vlg48cs4iz25gp588";
+    rev = "eb58f13f7b8e4f9bc771af30ff9fd82dc4309ff5";
+    fetchSubmodules = true;
+  };
+  postUnpack = "sourceRoot+=/plugins/hls-eval-plugin; echo source root reset to $sourceRoot";
+  libraryHaskellDepends = [
+    aeson base containers deepseq Diff directory extra filepath ghc
+    ghc-boot-th ghc-paths ghcide hashable haskell-lsp haskell-lsp-types
+    hls-plugin-api parser-combinators pretty-simple QuickCheck
+    safe-exceptions shake temporary text time transformers
+    unordered-containers
+  ];
+  description = "Eval plugin for Haskell Language Server";
+  license = stdenv.lib.licenses.asl20;
+}
diff --git a/pkgs/development/tools/haskell/haskell-language-server/hls-explicit-imports-plugin.nix b/pkgs/development/tools/haskell/haskell-language-server/hls-explicit-imports-plugin.nix
index 7c3b22cf1d0a..bad0e82194cd 100644
--- a/pkgs/development/tools/haskell/haskell-language-server/hls-explicit-imports-plugin.nix
+++ b/pkgs/development/tools/haskell/haskell-language-server/hls-explicit-imports-plugin.nix
@@ -7,8 +7,8 @@ mkDerivation {
   version = "0.1.0.0";
   src = fetchgit {
     url = "https://github.com/haskell/haskell-language-server.git";
-    sha256 = "0gkzvjx4dgf53yicinqjshlj80gznx5khb62i7g3kqjr85iy0raa";
-    rev = "e4f677e1780fe85a02b99a09404a0a3c3ab5ce7c";
+    sha256 = "0p6fqs07lajbi2g1wf4w3j5lvwknnk58n12vlg48cs4iz25gp588";
+    rev = "eb58f13f7b8e4f9bc771af30ff9fd82dc4309ff5";
     fetchSubmodules = true;
   };
   postUnpack = "sourceRoot+=/plugins/hls-explicit-imports-plugin; echo source root reset to $sourceRoot";
diff --git a/pkgs/development/tools/haskell/haskell-language-server/hls-hlint-plugin.nix b/pkgs/development/tools/haskell/haskell-language-server/hls-hlint-plugin.nix
index 8bfcf034bd2b..ecbe141fd724 100644
--- a/pkgs/development/tools/haskell/haskell-language-server/hls-hlint-plugin.nix
+++ b/pkgs/development/tools/haskell/haskell-language-server/hls-hlint-plugin.nix
@@ -10,8 +10,8 @@ mkDerivation {
   version = "0.1.0.0";
   src = fetchgit {
     url = "https://github.com/haskell/haskell-language-server.git";
-    sha256 = "0gkzvjx4dgf53yicinqjshlj80gznx5khb62i7g3kqjr85iy0raa";
-    rev = "e4f677e1780fe85a02b99a09404a0a3c3ab5ce7c";
+    sha256 = "0p6fqs07lajbi2g1wf4w3j5lvwknnk58n12vlg48cs4iz25gp588";
+    rev = "eb58f13f7b8e4f9bc771af30ff9fd82dc4309ff5";
     fetchSubmodules = true;
   };
   postUnpack = "sourceRoot+=/plugins/hls-hlint-plugin; echo source root reset to $sourceRoot";
diff --git a/pkgs/development/tools/haskell/haskell-language-server/hls-retrie-plugin.nix b/pkgs/development/tools/haskell/haskell-language-server/hls-retrie-plugin.nix
index 7a44903f9870..5a769e7a719b 100644
--- a/pkgs/development/tools/haskell/haskell-language-server/hls-retrie-plugin.nix
+++ b/pkgs/development/tools/haskell/haskell-language-server/hls-retrie-plugin.nix
@@ -8,8 +8,8 @@ mkDerivation {
   version = "0.1.0.0";
   src = fetchgit {
     url = "https://github.com/haskell/haskell-language-server.git";
-    sha256 = "0gkzvjx4dgf53yicinqjshlj80gznx5khb62i7g3kqjr85iy0raa";
-    rev = "e4f677e1780fe85a02b99a09404a0a3c3ab5ce7c";
+    sha256 = "0p6fqs07lajbi2g1wf4w3j5lvwknnk58n12vlg48cs4iz25gp588";
+    rev = "eb58f13f7b8e4f9bc771af30ff9fd82dc4309ff5";
     fetchSubmodules = true;
   };
   postUnpack = "sourceRoot+=/plugins/hls-retrie-plugin; echo source root reset to $sourceRoot";
diff --git a/pkgs/development/tools/haskell/haskell-language-server/hls-tactics-plugin.nix b/pkgs/development/tools/haskell/haskell-language-server/hls-tactics-plugin.nix
index 326e8ce0cdf9..b5819b705b62 100644
--- a/pkgs/development/tools/haskell/haskell-language-server/hls-tactics-plugin.nix
+++ b/pkgs/development/tools/haskell/haskell-language-server/hls-tactics-plugin.nix
@@ -10,8 +10,8 @@ mkDerivation {
   version = "0.5.1.0";
   src = fetchgit {
     url = "https://github.com/haskell/haskell-language-server.git";
-    sha256 = "0gkzvjx4dgf53yicinqjshlj80gznx5khb62i7g3kqjr85iy0raa";
-    rev = "e4f677e1780fe85a02b99a09404a0a3c3ab5ce7c";
+    sha256 = "0p6fqs07lajbi2g1wf4w3j5lvwknnk58n12vlg48cs4iz25gp588";
+    rev = "eb58f13f7b8e4f9bc771af30ff9fd82dc4309ff5";
     fetchSubmodules = true;
   };
   postUnpack = "sourceRoot+=/plugins/tactics; echo source root reset to $sourceRoot";
diff --git a/pkgs/development/tools/haskell/haskell-language-server/update.sh b/pkgs/development/tools/haskell/haskell-language-server/update.sh
index f14a97221ff8..aaccf8b9b9fe 100755
--- a/pkgs/development/tools/haskell/haskell-language-server/update.sh
+++ b/pkgs/development/tools/haskell/haskell-language-server/update.sh
@@ -41,11 +41,10 @@ hls_new_version=$hls_latest_release
 
 echo "Updating haskell-language-server from old version $hls_old_version to new version $hls_new_version."
 echo "Running cabal2nix and outputting to ${hls_derivation_file}..."
-
 cabal2nix --revision "$hls_new_version" "https://github.com/haskell/haskell-language-server.git" > "$hls_derivation_file"
 cabal2nix --revision "$hls_new_version" --subpath plugins/tactics "https://github.com/haskell/haskell-language-server.git" > "${script_dir}/hls-tactics-plugin.nix"
-cabal2nix --revision "$hls_new_version" --subpath plugins/hls-hlint-plugin "https://github.com/haskell/haskell-language-server.git" > "${script_dir}/hls-hlint-plugin.nix"
-cabal2nix --revision "$hls_new_version" --subpath plugins/hls-explicit-imports-plugin "https://github.com/haskell/haskell-language-server.git" > "${script_dir}/hls-explicit-imports-plugin.nix"
-cabal2nix --revision "$hls_new_version" --subpath plugins/hls-retrie-plugin "https://github.com/haskell/haskell-language-server.git" > "${script_dir}/hls-retrie-plugin.nix"
+for plugin in "hls-hlint-plugin" "hls-explicit-imports-plugin" "hls-retrie-plugin" "hls-class-plugin" "hls-eval-plugin"; do
+   cabal2nix --revision "$hls_new_version" --subpath plugins/$plugin "https://github.com/haskell/haskell-language-server.git" > "${script_dir}/$plugin.nix"
+done
 
 echo "Finished."