diff --git a/flake.lock b/flake.lock
index 1d0a4a5..a70d186 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,11 +2,11 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1701336116,
-        "narHash": "sha256-kEmpezCR/FpITc6yMbAh4WrOCiT2zg5pSjnKrq51h5Y=",
+        "lastModified": 1702900294,
+        "narHash": "sha256-pt7sSoJYNw3n8YtXw0Z/Nnr6/PfY2YrjDvqboErXnRM=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "f5c27c6136db4d76c30e533c20517df6864c46ee",
+        "rev": "886c9aee6ca9324e127f9c2c4e6f68c2641c8256",
         "type": "github"
       },
       "original": {
@@ -42,11 +42,11 @@
         "systems": "systems"
       },
       "locked": {
-        "lastModified": 1694529238,
-        "narHash": "sha256-zsNZZGTGnMOf9YpHKJqMSsa0dXbfmxeoJ7xHlrt+xmY=",
+        "lastModified": 1701680307,
+        "narHash": "sha256-kAuep2h5ajznlPMD9rnQyffWG8EM/C73lejGofXvdM8=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "ff7b65b44d01cf9ba6a71320833626af21126384",
+        "rev": "4022d587cbbfd70fe950c1e2083a02621806a725",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 2745d52..b978953 100644
--- a/flake.nix
+++ b/flake.nix
@@ -21,6 +21,7 @@
       }) // {
         overlays.default = final: prev: {
           jlink = final.callPackage ./packages/jlink { };
+          ipsw = final.callPackage ./packages/ipsw { };
           kernelPatches = prev.kernelPatches
             // final.callPackage ./packages/kernelPatches { };
           zephyrPackages = final.callPackage ./packages/zephyr { };
diff --git a/packages/ipsw/default.nix b/packages/ipsw/default.nix
new file mode 100644
index 0000000..3fba14d
--- /dev/null
+++ b/packages/ipsw/default.nix
@@ -0,0 +1,36 @@
+{ lib, buildGoModule, fetchFromGitHub, unicorn, libusb, pkg-config }:
+
+buildGoModule rec {
+  pname = "ipsw";
+  version = "3.1.437";
+
+  src = fetchFromGitHub {
+    owner = "blacktop";
+    repo = "ipsw";
+    rev = "v${version}";
+    hash = "sha256-dYT6mmof7ip3X27UKixVhiofAOqJI5botmk6/mB8DgA=";
+  };
+  vendorHash = "sha256-+LnakMHn2dIBJtyZ3JlS+mQkHeO0Q5sSDc4+Fzau7PE=";
+  patches = [ ./fix-build.patch ];
+  postPatch = ''
+    rm cmd/ipsw/cmd/sb/sb_cmpl.go
+  '';
+
+  nativeBuildInputs = [ pkg-config ];
+  buildInputs = [ unicorn libusb ];
+  ldflags = [
+    "-s"
+    "-w"
+    "-X github.com/blacktop/ipsw/cmd/ipsw/cmd.AppVersion=${version}"
+    "-X github.com/blacktop/ipsw/cmd/ipsw/cmd.AppBuildTime=19700101"
+  ];
+  tags = [ "unicorn" "libusb" ];
+  doCheck = false;
+
+  meta = with lib; {
+    description = "iOS/macOS Research Swiss Army Knife";
+    hompage = "https://blacktop.github.io/ipsw/";
+    license = licenses.mit;
+    maintainers = with maintainers; [ artemist ];
+  };
+}
diff --git a/packages/ipsw/fix-build.patch b/packages/ipsw/fix-build.patch
new file mode 100644
index 0000000..bf93820
--- /dev/null
+++ b/packages/ipsw/fix-build.patch
@@ -0,0 +1,13 @@
+diff --git a/pkg/onthedl/file/preallocate_unix.go b/pkg/onthedl/file/preallocate_unix.go
+index 78305e05c..610387b6a 100644
+--- a/pkg/onthedl/file/preallocate_unix.go
++++ b/pkg/onthedl/file/preallocate_unix.go
+@@ -49,7 +49,7 @@ func PreAllocate(size int64, out *os.File) (err error) {
+ 			// Try the next flags combination
+ 			index++
+ 			fallocFlagsIndex.Store(index)
+-			log.Debugf(nil, "preAllocate: got error on fallocate, trying combination %d/%d: %v", index, len(fallocFlags), err)
++			log.Debugf("preAllocate: got error on fallocate, trying combination %d/%d: %v", index, len(fallocFlags), err)
+ 			goto again
+ 
+ 		}