diff --git a/flake.lock b/flake.lock
index ea4a2361..5ef919f7 100644
--- a/flake.lock
+++ b/flake.lock
@@ -24,11 +24,11 @@
         "rust-analyzer-src": "rust-analyzer-src"
       },
       "locked": {
-        "lastModified": 1772176312,
-        "narHash": "sha256-Yjo/QCJvY9GUhAzwac/m6Rx3oxvRyEaiT5DQ5o+T6g4=",
+        "lastModified": 1780397302,
+        "narHash": "sha256-SQmrkj17xBdvc8lVMbsY7pIJCjKftgNh42R1keP3dLQ=",
         "owner": "nix-community",
         "repo": "fenix",
-        "rev": "92d91250c1acd59beabc51208192adc92f31aeb5",
+        "rev": "f6670530f53e69cc284f7aef818eb0f08fe81905",
         "type": "github"
       },
       "original": {
@@ -117,14 +117,14 @@
     "ibm-plex-mono-src": {
       "flake": false,
       "locked": {
-        "lastModified": 1731402384,
+        "lastModified": 1731402378,
         "narHash": "sha256-OwUmrPfEehLDz0fl2ChYLK8FQM2p0G1+EMrGsYEq+6g=",
         "type": "tarball",
-        "url": "https://github.com/IBM/plex/releases/download/@ibm%2Fplex-mono@1.1.0/ibm-plex-mono.zip"
+        "url": "https://github.com/IBM/plex/releases/download/@ibm/plex-mono@1.1.0/ibm-plex-mono.zip"
       },
       "original": {
         "type": "tarball",
-        "url": "https://github.com/IBM/plex/releases/download/@ibm%2Fplex-mono@1.1.0/ibm-plex-mono.zip"
+        "url": "https://github.com/IBM/plex/releases/download/@ibm/plex-mono@1.1.0/ibm-plex-mono.zip"
       }
     },
     "indigo": {
@@ -217,11 +217,11 @@
     "rust-analyzer-src": {
       "flake": false,
       "locked": {
-        "lastModified": 1772094427,
-        "narHash": "sha256-TiVs6OUBJEvajHdJZ5nIq0KognNJooUWuLGPFfQacSw=",
+        "lastModified": 1780337665,
+        "narHash": "sha256-RS3F+/6dtBIwd5+47GVen3jAk62/KumFZ4q3RVYafDk=",
         "owner": "rust-lang",
         "repo": "rust-analyzer",
-        "rev": "56b59a832858329c2f947f9b7bdf1a49da39c981",
+        "rev": "55af1774e9e840d3b28d12fcfaa72d2e2caa8ac9",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index c227919e..1fe39f08 100644
--- a/flake.nix
+++ b/flake.nix
@@ -88,6 +88,9 @@
           (self.callPackage "${gomod2nix}/builder" {
             gomod2nix = gomod2nix.legacyPackages.${pkgs.stdenv.hostPlatform.system}.gomod2nix;
           }).buildGoApplication;
+        rustPlatform = pkgs.makeRustPlatform {
+          inherit (fenix.packages.${pkgs.system}.stable) rustc cargo;
+        };
         modules = ./nix/gomod2nix.toml;
         sqlite-lib = self.callPackage ./nix/pkgs/sqlite-lib.nix {
           inherit sqlite-lib-src;
@@ -109,10 +112,11 @@
         dolly = self.callPackage ./nix/pkgs/dolly.nix {};
         tap = self.callPackage ./nix/pkgs/tap.nix {};
         knotmirror = self.callPackage ./nix/pkgs/knotmirror.nix {};
+        bobbin = self.callPackage ./nix/pkgs/bobbin.nix {};
       });
   in {
     overlays.default = final: prev: {
-      inherit (mkPackageSet final) lexgen goat sqlite-lib spindle knot-unwrapped knot appview docs dolly tap knotmirror;
+      inherit (mkPackageSet final) lexgen goat sqlite-lib spindle knot-unwrapped knot appview docs dolly tap knotmirror bobbin;
     };
 
     packages = forAllSystems (system: let
@@ -136,6 +140,7 @@
         dolly
         tap
         knotmirror
+        bobbin
         ;
 
       pkgsStatic-appview = staticPackages.appview;
diff --git a/nix/pkgs/bobbin.nix b/nix/pkgs/bobbin.nix
new file mode 100644
index 00000000..bbafedfd
--- /dev/null
+++ b/nix/pkgs/bobbin.nix
@@ -0,0 +1,19 @@
+{
+  rustPlatform,
+  src,
+  ...
+}:
+let
+  flags = ["--bin" "bobbin" "-p" "bobbin"];
+in
+rustPlatform.buildRustPackage {
+  pname = "bobbin";
+  version = "0.0.1";
+
+  inherit src;
+
+  cargoLock.lockFile = "${src}/Cargo.lock";
+
+  cargoBuildFlags = flags;
+  cargoTestFlags = flags;
+}