diff --git a/pkgs/development/haskell-modules/configuration-hackage2nix/main.yaml b/pkgs/development/haskell-modules/configuration-hackage2nix/main.yaml
index c07e2c61dc75..7c8ca8be75bf 100644
--- a/pkgs/development/haskell-modules/configuration-hackage2nix/main.yaml
+++ b/pkgs/development/haskell-modules/configuration-hackage2nix/main.yaml
@@ -96,6 +96,9 @@ default-package-overrides:
   # 2021-06-07: stackage still has dhall < 1.39
   - dhall-nix < 1.1.21
   - dhall-openapi < 1.0.1
+  # 2021-06-14: hnix still needs old versions https://github.com/haskell-nix/hnix/issues/952
+  - hnix-store-core < 0.5
+  - hnix-store-remote < 0.5
 
 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 9cd720d1139e..724077d620fe 100644
--- a/pkgs/development/haskell-modules/hackage-packages.nix
+++ b/pkgs/development/haskell-modules/hackage-packages.nix
@@ -131629,6 +131629,38 @@ self: {
      }) {};
 
   "hnix-store-core" = callPackage
+    ({ mkDerivation, algebraic-graphs, attoparsec, base
+     , base16-bytestring, base64-bytestring, binary, bytestring, cereal
+     , containers, cryptohash-md5, cryptohash-sha1, cryptohash-sha256
+     , cryptohash-sha512, directory, filepath, hashable, hspec
+     , lifted-base, monad-control, mtl, nix-derivation, process, saltine
+     , tasty, tasty-discover, tasty-golden, tasty-hspec, tasty-hunit
+     , tasty-quickcheck, temporary, text, time, unix
+     , unordered-containers, vector
+     }:
+     mkDerivation {
+       pname = "hnix-store-core";
+       version = "0.4.3.0";
+       sha256 = "17l7198s3dzjx416nplinyghbqgignvpvxkww241gjv4p23izf77";
+       libraryHaskellDepends = [
+         algebraic-graphs attoparsec base base16-bytestring
+         base64-bytestring bytestring cereal containers cryptohash-md5
+         cryptohash-sha1 cryptohash-sha256 cryptohash-sha512 directory
+         filepath hashable lifted-base monad-control mtl nix-derivation
+         saltine text time unix unordered-containers vector
+       ];
+       testHaskellDepends = [
+         attoparsec base base16-bytestring base64-bytestring binary
+         bytestring containers directory filepath hspec process tasty
+         tasty-golden tasty-hspec tasty-hunit tasty-quickcheck temporary
+         text unix
+       ];
+       testToolDepends = [ tasty-discover ];
+       description = "Core effects for interacting with the Nix store";
+       license = lib.licenses.asl20;
+     }) {};
+
+  "hnix-store-core_0_5_0_0" = callPackage
     ({ mkDerivation, algebraic-graphs, attoparsec, base
      , base16-bytestring, base64-bytestring, binary, bytestring, cereal
      , containers, cryptonite, directory, filepath, hashable, hspec
@@ -131658,9 +131690,27 @@ self: {
        testToolDepends = [ tasty-discover ];
        description = "Core effects for interacting with the Nix store";
        license = lib.licenses.asl20;
+       hydraPlatforms = lib.platforms.none;
      }) {};
 
   "hnix-store-remote" = callPackage
+    ({ mkDerivation, attoparsec, base, binary, bytestring, containers
+     , hnix-store-core, mtl, network, nix-derivation, text, time
+     , unordered-containers
+     }:
+     mkDerivation {
+       pname = "hnix-store-remote";
+       version = "0.4.3.1";
+       sha256 = "1wp6z5f13fkgh3mdzr1zcqdvsx1j90l5isf671gsg43brsv4c2vl";
+       libraryHaskellDepends = [
+         attoparsec base binary bytestring containers hnix-store-core mtl
+         network nix-derivation text time unordered-containers
+       ];
+       description = "Remote hnix store";
+       license = lib.licenses.asl20;
+     }) {};
+
+  "hnix-store-remote_0_5_0_0" = callPackage
     ({ mkDerivation, attoparsec, base, binary, bytestring, containers
      , cryptonite, hnix-store-core, mtl, network, nix-derivation, text
      , time, unordered-containers
@@ -131676,6 +131726,7 @@ self: {
        ];
        description = "Remote hnix store";
        license = lib.licenses.asl20;
+       hydraPlatforms = lib.platforms.none;
      }) {};
 
   "hnn" = callPackage