diff --git a/pkgs/development/haskell-modules/configuration-hackage2nix/main.yaml b/pkgs/development/haskell-modules/configuration-hackage2nix/main.yaml
index cc33944d1eeb..cbfc20713755 100644
--- a/pkgs/development/haskell-modules/configuration-hackage2nix/main.yaml
+++ b/pkgs/development/haskell-modules/configuration-hackage2nix/main.yaml
@@ -77,6 +77,10 @@ default-package-overrides:
   - gi-javascriptcore < 4.0.23 #
   - gi-soup < 2.4.24 #
   - gi-webkit2 < 4.0.27 #
+  # 2021-05-11: the diagrams libraries still depends on pre 0.6,
+  # e. g. https://github.com/diagrams/diagrams-core/issues/115
+  # We can keep this pin presumably until base 4.15
+  - monoid-extras < 0.6
 
 extra-packages:
   - base16-bytestring < 1               # required for cabal-install etc.
diff --git a/pkgs/development/haskell-modules/hackage-packages.nix b/pkgs/development/haskell-modules/hackage-packages.nix
index 846b1f33256f..8455e8b9bf66 100644
--- a/pkgs/development/haskell-modules/hackage-packages.nix
+++ b/pkgs/development/haskell-modules/hackage-packages.nix
@@ -177278,6 +177278,21 @@ self: {
      }) {};
 
   "monoid-extras" = callPackage
+    ({ mkDerivation, base, criterion, groups, semigroupoids, semigroups
+     }:
+     mkDerivation {
+       pname = "monoid-extras";
+       version = "0.5.1";
+       sha256 = "0xfrkgqn9d31z54l617m3w3kkd5m9vjb4yl247r3zzql3mpb1f37";
+       revision = "2";
+       editedCabalFile = "0gbrwpr7rzh9mmf59yhs74hixgclmxngaxx51j7pvr6wnkbvz3a3";
+       libraryHaskellDepends = [ base groups semigroupoids semigroups ];
+       benchmarkHaskellDepends = [ base criterion semigroups ];
+       description = "Various extra monoid-related definitions and utilities";
+       license = lib.licenses.bsd3;
+     }) {};
+
+  "monoid-extras_0_6" = callPackage
     ({ mkDerivation, base, criterion, groups, semigroupoids, semigroups
      }:
      mkDerivation {
@@ -177288,6 +177303,7 @@ self: {
        benchmarkHaskellDepends = [ base criterion semigroups ];
        description = "Various extra monoid-related definitions and utilities";
        license = lib.licenses.bsd3;
+       hydraPlatforms = lib.platforms.none;
      }) {};
 
   "monoid-owns" = callPackage