diff --git a/.packcheck.ignore b/.packcheck.ignore
index 99f412e..8bb9ff7 100644
--- a/.packcheck.ignore
+++ b/.packcheck.ignore
@@ -2,3 +2,7 @@
 .github/workflows/packcheck.yml
 .gitignore
 cabal.project.Werror
+flake.lock
+flake.nix
+packages.nix
+sources.nix
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..1c13efb
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,88 @@
+{
+  "nodes": {
+    "composewell-haskell": {
+      "inputs": {
+        "nixpack": "nixpack",
+        "nixpkgs": "nixpkgs",
+        "nixpkgs-darwin": "nixpkgs-darwin"
+      },
+      "locked": {
+        "lastModified": 1761651882,
+        "narHash": "sha256-zpMxSiKyBfwJfN93b+4xmCWBWqLsLBKcolalvHp/e5c=",
+        "ref": "master",
+        "rev": "0479fcff715c7b92f0a917b4cffd25371716b4f4",
+        "revCount": 94,
+        "type": "git",
+        "url": "ssh://git@github.com/composewell/streamly-packages"
+      },
+      "original": {
+        "ref": "master",
+        "type": "git",
+        "url": "ssh://git@github.com/composewell/streamly-packages"
+      }
+    },
+    "nixpack": {
+      "locked": {
+        "lastModified": 1761597511,
+        "narHash": "sha256-8c62+6zbf2mtx2ZGQ09JgkBXa9zNPUA7CT+tS173NR8=",
+        "owner": "composewell",
+        "repo": "nixpack",
+        "rev": "e50da53dfcf24085fff75149a266646b28bd18fb",
+        "type": "github"
+      },
+      "original": {
+        "owner": "composewell",
+        "repo": "nixpack",
+        "rev": "e50da53dfcf24085fff75149a266646b28bd18fb",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1761440988,
+        "narHash": "sha256-2qsow3cQIgZB2g8Cy8cW+L9eXDHP6a1PsvOschk5y+E=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "de69d2ba6c70e747320df9c096523b623d3a4c35",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "de69d2ba6c70e747320df9c096523b623d3a4c35",
+        "type": "github"
+      }
+    },
+    "nixpkgs-darwin": {
+      "locked": {
+        "lastModified": 1758397774,
+        "narHash": "sha256-ui5ciTMlP4nSkxHAjfJTUCt/INLykPuv/Z7Ifj4GmhA=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "c3d456aad3a84fcd76b4bebf8b48be169fc45c31",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "c3d456aad3a84fcd76b4bebf8b48be169fc45c31",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "composewell-haskell": "composewell-haskell",
+        "nixpkgs": [
+          "composewell-haskell",
+          "nixpkgs"
+        ],
+        "nixpkgs-darwin": [
+          "composewell-haskell",
+          "nixpkgs-darwin"
+        ]
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..0b5daff
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,33 @@
+{
+  description = "streamly-text";
+
+  inputs = {
+    #composewell-haskell.url = "git+ssh://git@github.com/composewell/streamly-packages?rev=0479fcff715c7b92f0a917b4cffd25371716b4f4";
+    composewell-haskell.url = "git+ssh://git@github.com/composewell/streamly-packages?ref=master";
+    nixpkgs.follows = "composewell-haskell/nixpkgs";
+    nixpkgs-darwin.follows = "composewell-haskell/nixpkgs-darwin";
+  };
+
+  outputs = { self, nixpkgs, nixpkgs-darwin, composewell-haskell }:
+    let
+      nixpack = composewell-haskell.nixpack;
+      src1 = import "${composewell-haskell}/sources.nix" { inherit nixpack; };
+      src2 = import ./sources.nix {inherit nixpack;};
+    in nixpack.flakeOutputs {
+      inherit nixpkgs;
+      inherit nixpkgs-darwin;
+      inherit nixpack;
+      nixpkgsOptions = {
+            config.allowUnfree = true;
+            config.allowBroken = true;
+          };
+      envOptions = {
+            name = "streamly-text-env";
+            sources = nixpack.lib.mergeSources src1 src2;
+            packages = import ./packages.nix;
+            compiler = "default";
+            hoogle = false;
+            isDev = true;
+      };
+    };
+}
diff --git a/packages.nix b/packages.nix
new file mode 100644
index 0000000..07e4721
--- /dev/null
+++ b/packages.nix
@@ -0,0 +1,14 @@
+{ nixpkgs }:
+{
+dev-packages =
+with nixpkgs.haskellPackages;
+[ streamly-text
+];
+libraries =
+with nixpkgs.haskellPackages;
+[ 
+ temporary
+ quickcheck-instances
+ hspec
+];
+}
diff --git a/sources.nix b/sources.nix
new file mode 100644
index 0000000..f182075
--- /dev/null
+++ b/sources.nix
@@ -0,0 +1,9 @@
+{nixpack}:
+with nixpack.sources;
+{
+layers = [
+{
+  streamly-text = local ./.;
+}
+];
+}