diff --git a/flake.lock b/flake.lock
index 3f6dcc1f..57e5dac0 100644
--- a/flake.lock
+++ b/flake.lock
@@ -170,6 +170,36 @@
         "type": "github"
       }
     },
+    "devx": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "haskellNix": [
+          "haskell-nix"
+        ],
+        "iohk-nix": [
+          "iohk-nix"
+        ],
+        "nixpkgs": [
+          "devx",
+          "haskellNix",
+          "nixpkgs-unstable"
+        ]
+      },
+      "locked": {
+        "lastModified": 1726865550,
+        "narHash": "sha256-Fa/rvCzffF+J8pNhpfikPCMF1Lsga9UqaTsZc47tu7E=",
+        "owner": "tgunnoe",
+        "repo": "devx",
+        "rev": "ed7fa452f1dba8335f3842dc09ffedc6f29d17f6",
+        "type": "github"
+      },
+      "original": {
+        "owner": "tgunnoe",
+        "ref": "update",
+        "repo": "devx",
+        "type": "github"
+      }
+    },
     "flake-compat": {
       "flake": false,
       "locked": {
@@ -254,6 +284,24 @@
         "type": "github"
       }
     },
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1710146030,
+        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
     "ghc-8.6.5-iohk": {
       "flake": false,
       "locked": {
@@ -899,6 +947,7 @@
         "CHaP": "CHaP",
         "blank": "blank",
         "cardano-node": "cardano-node",
+        "devx": "devx",
         "flake-compat": "flake-compat",
         "hackage": "hackage",
         "haskell-nix": "haskell-nix",
@@ -1005,6 +1054,21 @@
         "type": "github"
       }
     },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
     "treefmt-nix": {
       "inputs": {
         "nixpkgs": [
diff --git a/flake.nix b/flake.nix
index f631b8bd..5caf313f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -57,7 +57,11 @@
       inputs.hackage.follows = "hackage";
       inputs.hydra.follows = "blank";
     };
-
+    devx = {
+      url = "github:tgunnoe/devx/update";
+      inputs.haskellNix.follows = "haskell-nix";
+      inputs.iohk-nix.follows = "iohk-nix";
+    };
     # Used to provide the cardano-node and cardano-cli executables.
     cardano-node = {
       url = "github:input-output-hk/cardano-node/9.1.0";
@@ -77,6 +81,7 @@
           inputs.haskell-nix.overlay
           inputs.iohk-nix.overlays.crypto
           inputs.iohk-nix.overlays.haskell-nix-extra
+          inputs.purescript-overlay.overlays.default
           (
             self: super: {
 
diff --git a/nix/offchain.nix b/nix/offchain.nix
index 148c095b..ee990da1 100644
--- a/nix/offchain.nix
+++ b/nix/offchain.nix
@@ -49,8 +49,8 @@ let
 
     nativeBuildInputs = with pkgs; [
       purescript-psa
-      inputs'.purescript-overlay.packages.purs
-      pkgs.spago
+      purs
+      spago
       nodejs-18_x
     ];
 
diff --git a/nix/shells.nix b/nix/shells.nix
index b92fd729..ea01993b 100644
--- a/nix/shells.nix
+++ b/nix/shells.nix
@@ -29,6 +29,7 @@ in
     ];
     inputsFrom = [
       onchain.devShells.default
+      inputs'.devx.devShells.ghc96-minimal-iog
     ];
     packages = with pkgs; [
 
@@ -39,12 +40,12 @@ in
       self.packages.kupo
       self.packages.ogmios
 
-      cabal-install
-      haskellPackages.apply-refact
-      haskellPackages.cabal-fmt
-      haskellPackages.fourmolu
-      haskellPackages.hoogle
-      ghcid
+      #cabal-install
+      # haskellPackages.apply-refact
+      # haskellPackages.cabal-fmt
+      # haskellPackages.fourmolu
+      # haskellPackages.hoogle
+      #ghcid
 
       watchexec
 
@@ -65,8 +66,8 @@ in
       # Purescript
       purescript-psa
       pscid
-      inputs'.purescript-overlay.packages.purs
-      inputs'.purescript-overlay.packages.purs-tidy
+      purs
+      purs-tidy
       self.packages.spago2nix
 
       # no aarch64-darwin for spago 0.21 (stable) from purescript-overlay's spago