diff --git a/pkgs/development/compilers/elm/default.nix b/pkgs/development/compilers/elm/default.nix
index 02baf6227d91..8ebe0d816de4 100644
--- a/pkgs/development/compilers/elm/default.nix
+++ b/pkgs/development/compilers/elm/default.nix
@@ -107,8 +107,6 @@ let
 
       # elm-format requires text >= 2.0
       text = self.text_2_0_2;
-      # elm-format-lib requires hspec-golden < 0.2
-      hspec-golden = self.hspec-golden_0_1_0_3;
       # unorderd-container's tests indirectly depend on text < 2.0
       unordered-containers = overrideCabal (drv: { doCheck = false; }) super.unordered-containers;
       # relude-1.1.0.0's tests depend on hedgehog < 1.2, which indirectly depends on text < 2.0
diff --git a/pkgs/development/compilers/elm/packages/avh4-lib.nix b/pkgs/development/compilers/elm/packages/avh4-lib.nix
index 96ee35af27c9..f7f9381703c6 100644
--- a/pkgs/development/compilers/elm/packages/avh4-lib.nix
+++ b/pkgs/development/compilers/elm/packages/avh4-lib.nix
@@ -1,26 +1,25 @@
-{ mkDerivation, ansi-terminal, ansi-wl-pprint, array, base, bimap
-, binary, bytestring, containers, directory, fetchgit, filepath
-, lib, mtl, pooled-io, process, relude, tasty, tasty-discover
-, tasty-hspec, tasty-hunit, text
+{ mkDerivation, array, base, bytestring, directory, fetchgit
+, filepath, lib, mtl, pooled-io, process, relude, tasty
+, tasty-discover, tasty-hspec, tasty-hunit, text
 }:
 mkDerivation {
   pname = "avh4-lib";
   version = "0.0.0.1";
   src = fetchgit {
     url = "https://github.com/avh4/elm-format";
-    sha256 = "1aiq3mv2ycv6bal5hnz6k33bzmnnidzxxs5b6z9y6lvmr0lbf3j4";
-    rev = "7e80dd48dd9b30994e43f4804b2ea7118664e8e0";
+    sha256 = "04l1bn4w8q3ifd6mc4mfrqxfbihmqnpfjdn6gr0x2jqcasjbk0bi";
+    rev = "b5cca4c26b473dab06e5d73b98148637e4770d45";
     fetchSubmodules = true;
   };
   postUnpack = "sourceRoot+=/avh4-lib; echo source root reset to $sourceRoot";
+  configureFlags = [ "--ghc-option=-Wno-error=unused-packages" ];
   libraryHaskellDepends = [
-    ansi-terminal ansi-wl-pprint array base bimap binary bytestring
-    containers directory filepath mtl pooled-io process relude text
+    array base bytestring directory filepath mtl pooled-io process
+    relude text
   ];
   testHaskellDepends = [
-    ansi-terminal ansi-wl-pprint array base bimap binary bytestring
-    containers directory filepath mtl pooled-io process relude tasty
-    tasty-hspec tasty-hunit text
+    array base bytestring directory filepath mtl pooled-io process
+    relude tasty tasty-hspec tasty-hunit text
   ];
   testToolDepends = [ tasty-discover ];
   doHaddock = false;
diff --git a/pkgs/development/compilers/elm/packages/elm-format-lib.nix b/pkgs/development/compilers/elm/packages/elm-format-lib.nix
index 255e43af6917..a6b70414143f 100644
--- a/pkgs/development/compilers/elm/packages/elm-format-lib.nix
+++ b/pkgs/development/compilers/elm/packages/elm-format-lib.nix
@@ -1,30 +1,27 @@
-{ mkDerivation, aeson, ansi-terminal, ansi-wl-pprint, array
-, avh4-lib, base, bimap, binary, bytestring, containers, directory
-, elm-format-markdown, elm-format-test-lib, fetchgit, filepath
-, ghc-prim, hspec, lib, mtl, optparse-applicative, process, relude
-, split, tasty, tasty-discover, tasty-hspec, tasty-hunit, text
+{ mkDerivation, aeson, avh4-lib, base, bimap, binary, bytestring
+, containers, elm-format-markdown, elm-format-test-lib, fetchgit
+, hspec, lib, mtl, optparse-applicative, relude, split, tasty
+, tasty-discover, tasty-hspec, tasty-hunit, text
 }:
 mkDerivation {
   pname = "elm-format-lib";
   version = "0.0.0.1";
   src = fetchgit {
     url = "https://github.com/avh4/elm-format";
-    sha256 = "1aiq3mv2ycv6bal5hnz6k33bzmnnidzxxs5b6z9y6lvmr0lbf3j4";
-    rev = "7e80dd48dd9b30994e43f4804b2ea7118664e8e0";
+    sha256 = "04l1bn4w8q3ifd6mc4mfrqxfbihmqnpfjdn6gr0x2jqcasjbk0bi";
+    rev = "b5cca4c26b473dab06e5d73b98148637e4770d45";
     fetchSubmodules = true;
   };
   postUnpack = "sourceRoot+=/elm-format-lib; echo source root reset to $sourceRoot";
   libraryHaskellDepends = [
-    aeson ansi-terminal ansi-wl-pprint array avh4-lib base bimap binary
-    bytestring containers directory elm-format-markdown filepath
-    ghc-prim mtl optparse-applicative process relude text
+    aeson avh4-lib base bimap binary bytestring containers
+    elm-format-markdown mtl optparse-applicative relude text
   ];
   testHaskellDepends = [
-    aeson ansi-terminal ansi-wl-pprint array avh4-lib base bimap binary
-    bytestring containers directory elm-format-markdown
-    elm-format-test-lib filepath ghc-prim hspec mtl
-    optparse-applicative process relude split tasty tasty-hspec
-    tasty-hunit text
+    aeson avh4-lib base bimap binary bytestring containers
+    elm-format-markdown elm-format-test-lib hspec mtl
+    optparse-applicative relude split tasty tasty-hspec tasty-hunit
+    text
   ];
   testToolDepends = [ tasty-discover ];
   doHaddock = false;
diff --git a/pkgs/development/compilers/elm/packages/elm-format-markdown.nix b/pkgs/development/compilers/elm/packages/elm-format-markdown.nix
index f5cc03c95326..fdeb2e88d384 100644
--- a/pkgs/development/compilers/elm/packages/elm-format-markdown.nix
+++ b/pkgs/development/compilers/elm/packages/elm-format-markdown.nix
@@ -4,8 +4,8 @@ mkDerivation {
   version = "0.0.0.1";
   src = fetchgit {
     url = "https://github.com/avh4/elm-format";
-    sha256 = "1aiq3mv2ycv6bal5hnz6k33bzmnnidzxxs5b6z9y6lvmr0lbf3j4";
-    rev = "7e80dd48dd9b30994e43f4804b2ea7118664e8e0";
+    sha256 = "04l1bn4w8q3ifd6mc4mfrqxfbihmqnpfjdn6gr0x2jqcasjbk0bi";
+    rev = "b5cca4c26b473dab06e5d73b98148637e4770d45";
     fetchSubmodules = true;
   };
   postUnpack = "sourceRoot+=/elm-format-markdown; echo source root reset to $sourceRoot";
diff --git a/pkgs/development/compilers/elm/packages/elm-format-test-lib.nix b/pkgs/development/compilers/elm/packages/elm-format-test-lib.nix
index 6dd8598be32b..ccd6264d6c16 100644
--- a/pkgs/development/compilers/elm/packages/elm-format-test-lib.nix
+++ b/pkgs/development/compilers/elm/packages/elm-format-test-lib.nix
@@ -7,14 +7,14 @@ mkDerivation {
   version = "0.0.0.1";
   src = fetchgit {
     url = "https://github.com/avh4/elm-format";
-    sha256 = "1aiq3mv2ycv6bal5hnz6k33bzmnnidzxxs5b6z9y6lvmr0lbf3j4";
-    rev = "7e80dd48dd9b30994e43f4804b2ea7118664e8e0";
+    sha256 = "04l1bn4w8q3ifd6mc4mfrqxfbihmqnpfjdn6gr0x2jqcasjbk0bi";
+    rev = "b5cca4c26b473dab06e5d73b98148637e4770d45";
     fetchSubmodules = true;
   };
   postUnpack = "sourceRoot+=/elm-format-test-lib; echo source root reset to $sourceRoot";
   libraryHaskellDepends = [
     avh4-lib base containers filepath hspec hspec-core hspec-golden mtl
-    split tasty tasty-hspec tasty-hunit text
+    split tasty-hunit text
   ];
   testHaskellDepends = [
     avh4-lib base containers filepath hspec hspec-core hspec-golden mtl
diff --git a/pkgs/development/compilers/elm/packages/elm-format.nix b/pkgs/development/compilers/elm/packages/elm-format.nix
index 1f88650bd3f6..c4448f246425 100644
--- a/pkgs/development/compilers/elm/packages/elm-format.nix
+++ b/pkgs/development/compilers/elm/packages/elm-format.nix
@@ -1,29 +1,28 @@
-{ mkDerivation, aeson, ansi-wl-pprint, avh4-lib, base, bimap
-, bytestring, containers, elm-format-lib, elm-format-test-lib
-, fetchgit, hspec, lib, mtl, optparse-applicative, QuickCheck
-, quickcheck-io, relude, tasty, tasty-hspec, tasty-hunit
-, tasty-quickcheck, text
+{ mkDerivation, aeson, ansi-wl-pprint, avh4-lib, base, bytestring
+, elm-format-lib, elm-format-test-lib, fetchgit, hspec, lib
+, optparse-applicative, QuickCheck, quickcheck-io, relude, tasty
+, tasty-hspec, tasty-hunit, tasty-quickcheck, text
 }:
 mkDerivation rec {
   pname = "elm-format";
-  version = "0.8.6";
+  version = "0.8.7";
   src = fetchgit {
     url = "https://github.com/avh4/elm-format";
-    sha256 = "1aiq3mv2ycv6bal5hnz6k33bzmnnidzxxs5b6z9y6lvmr0lbf3j4";
-    rev = "7e80dd48dd9b30994e43f4804b2ea7118664e8e0";
+    sha256 = "04l1bn4w8q3ifd6mc4mfrqxfbihmqnpfjdn6gr0x2jqcasjbk0bi";
+    rev = "b5cca4c26b473dab06e5d73b98148637e4770d45";
     fetchSubmodules = true;
   };
   isLibrary = false;
   isExecutable = true;
   executableHaskellDepends = [
-    aeson ansi-wl-pprint avh4-lib base bytestring containers
-    elm-format-lib optparse-applicative relude text
+    aeson ansi-wl-pprint avh4-lib base bytestring elm-format-lib
+    optparse-applicative relude text
   ];
   testHaskellDepends = [
-    aeson ansi-wl-pprint avh4-lib base bimap bytestring containers
-    elm-format-lib elm-format-test-lib hspec mtl optparse-applicative
-    QuickCheck quickcheck-io relude tasty tasty-hspec tasty-hunit
-    tasty-quickcheck text
+    aeson ansi-wl-pprint avh4-lib base bytestring elm-format-lib
+    elm-format-test-lib hspec optparse-applicative QuickCheck
+    quickcheck-io relude tasty tasty-hspec tasty-hunit tasty-quickcheck
+    text
   ];
   doHaddock = false;
   homepage = "https://elm-lang.org";