diff --git a/flake.lock b/flake.lock
index d593fa3dc..bea404a1f 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1,5 +1,26 @@
 {
   "nodes": {
+    "flake-parts": {
+      "inputs": {
+        "nixpkgs-lib": [
+          "nix-fast-build",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1749398372,
+        "narHash": "sha256-tYBdgS56eXYaWVW3fsnPQ/nFlgWi/Z2Ymhyu21zVM98=",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "rev": "9305fe4e5c2a6fcf5ba6a3ff155720fbe4076569",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "type": "github"
+      }
+    },
     "flake-utils": {
       "inputs": {
         "systems": "systems"
@@ -55,10 +76,30 @@
         "type": "github"
       }
     },
+    "nix-fast-build": {
+      "inputs": {
+        "flake-parts": "flake-parts",
+        "nixpkgs": "nixpkgs_2",
+        "treefmt-nix": "treefmt-nix"
+      },
+      "locked": {
+        "lastModified": 1749427739,
+        "narHash": "sha256-Nm0oMqFNRnJsiZYeNChmefmjeVCOzngikpSQhgs7iXI=",
+        "owner": "Mic92",
+        "repo": "nix-fast-build",
+        "rev": "b1dae483ab7d4139a6297e02b6de9e5d30e43d48",
+        "type": "github"
+      },
+      "original": {
+        "owner": "Mic92",
+        "repo": "nix-fast-build",
+        "type": "github"
+      }
+    },
     "nix2container": {
       "inputs": {
         "flake-utils": "flake-utils_2",
-        "nixpkgs": "nixpkgs_2"
+        "nixpkgs": "nixpkgs_3"
       },
       "locked": {
         "lastModified": 1708764364,
@@ -91,6 +132,22 @@
       }
     },
     "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1749411262,
+        "narHash": "sha256-gRBkeW9l5lb/90lv1waQFNT+18OhITs11HENarh6vNo=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "0fc422d6c394191338c9d6a05786c63fc52a0f29",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable-small",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_3": {
       "locked": {
         "lastModified": 1697269602,
         "narHash": "sha256-dSzV7Ud+JH4DPVD9od53EgDrxUVQOcSj4KGjggCDVJI=",
@@ -105,7 +162,7 @@
         "type": "github"
       }
     },
-    "nixpkgs_3": {
+    "nixpkgs_4": {
       "locked": {
         "lastModified": 1712666087,
         "narHash": "sha256-WwjUkWsjlU8iUImbivlYxNyMB1L5YVqE8QotQdL9jWc=",
@@ -121,7 +178,7 @@
         "type": "github"
       }
     },
-    "nixpkgs_4": {
+    "nixpkgs_5": {
       "locked": {
         "lastModified": 1744536153,
         "narHash": "sha256-awS2zRgF4uTwrOKwwiJcByDzDOdo3Q1rPZbiHQg/N38=",
@@ -141,14 +198,15 @@
       "inputs": {
         "flake-utils": "flake-utils",
         "nix-editor": "nix-editor",
+        "nix-fast-build": "nix-fast-build",
         "nix2container": "nix2container",
-        "nixpkgs": "nixpkgs_3",
+        "nixpkgs": "nixpkgs_4",
         "rust-overlay": "rust-overlay"
       }
     },
     "rust-overlay": {
       "inputs": {
-        "nixpkgs": "nixpkgs_4"
+        "nixpkgs": "nixpkgs_5"
       },
       "locked": {
         "lastModified": 1746758179,
@@ -194,6 +252,27 @@
         "type": "github"
       }
     },
+    "treefmt-nix": {
+      "inputs": {
+        "nixpkgs": [
+          "nix-fast-build",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1749194973,
+        "narHash": "sha256-eEy8cuS0mZ2j/r/FE0/LYBSBcIs/MKOIVakwHVuqTfk=",
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "rev": "a05be418a1af1198ca0f63facb13c985db4cb3c5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "type": "github"
+      }
+    },
     "utils": {
       "locked": {
         "lastModified": 1667395993,
diff --git a/flake.nix b/flake.nix
index 335ccdf42..18cd9ba13 100644
--- a/flake.nix
+++ b/flake.nix
@@ -7,9 +7,10 @@
     nix2container.url = "github:nlewo/nix2container";
     nix-editor.url = "github:snowfallorg/nix-editor";
     rust-overlay.url = "github:oxalica/rust-overlay";
+    nix-fast-build.url = "github:Mic92/nix-fast-build";
   };
 
-  outputs = { self, nixpkgs, flake-utils, nix-editor, rust-overlay, nix2container, ... }:
+  outputs = { self, nixpkgs, flake-utils, nix-editor, rust-overlay, nix2container, ... }@inputs:
     let
       gitRev = "vcs=${self.shortRev or "dirty"}+${builtins.substring 0 8 (self.lastModifiedDate or self.lastModified or "19700101")}";
 
@@ -1380,6 +1381,7 @@
           psql_17 = makeCheckHarness basePackages.psql_17.bin;
           psql_orioledb-17 = makeCheckHarness basePackages.psql_orioledb-17.bin;
           inherit (basePackages) wal-g-2 wal-g-3 dbmate-tool pg_regress;
+          devShell = devShells.default;
         } // pkgs.lib.optionalAttrs (system == "aarch64-linux") {
           inherit (basePackages) postgresql_15_debug postgresql_15_src postgresql_orioledb-17_debug postgresql_orioledb-17_src postgresql_17_debug postgresql_17_src;
         };
@@ -1429,6 +1431,7 @@
                 export HISTFILE=.history
               '';
             };
+            nix-fast-build = inputs.nix-fast-build.packages.${system}.default;
           in
           {
             default = pkgs.mkShell {