diff --git a/flake.lock b/flake.lock
index da8afc9c..b0b5555f 100644
--- a/flake.lock
+++ b/flake.lock
@@ -20,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1739214665,
-        "narHash": "sha256-26L8VAu3/1YRxS8MHgBOyOM8xALdo6N0I04PgorE7UM=",
+        "lastModified": 1742669843,
+        "narHash": "sha256-G5n+FOXLXcRx+3hCJ6Rt6ZQyF1zqQ0DL0sWAMn2Nk0w=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "64e75cd44acf21c7933d61d7721e812eac1b5a0a",
+        "rev": "1e5b653dff12029333a6546c11e108ede13052eb",
         "type": "github"
       },
       "original": {
@@ -62,11 +62,11 @@
         "nixpkgs": "nixpkgs_2"
       },
       "locked": {
-        "lastModified": 1739327257,
-        "narHash": "sha256-rlGK8wxz/e50Z+PQRzuP+m03IrGkhcPGmgkBnkEZ9C8=",
+        "lastModified": 1742870002,
+        "narHash": "sha256-eQnw8ufyLmrboODU8RKVNh2Mv7SACzdoFrRUV5zdNNE=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "e01f2c035b7b8a428c119b183f4cbc55f2eef07c",
+        "rev": "b4c18f262dbebecb855136c1ed8047b99a9c75b6",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index db06e441..b741ac24 100644
--- a/flake.nix
+++ b/flake.nix
@@ -25,8 +25,8 @@
           darwin.apple_sdk.frameworks.SystemConfiguration
         ];
 
-      cargoTomlContents = builtins.readFile ./crates/aiken/Cargo.toml;
-      version = (builtins.fromTOML cargoTomlContents).package.version;
+      cargoTomlContents = builtins.readFile ./Cargo.toml;
+      version = (builtins.fromTOML cargoTomlContents).workspace.package.version;
 
       aiken = pkgs.rustPlatform.buildRustPackage {
         inherit version;
@@ -39,9 +39,6 @@
         src = pkgs.lib.cleanSourceWith {src = self;};
 
         cargoLock.lockFile = ./Cargo.lock;
-        cargoLock.outputHashes = {
-          "textplots-0.9.6" = "sha256-Bx3zFEOnvqT7ZVfO5T8ii5u+3cPBeQTmw0F6CHQimao=";
-        };
 
         GIT_COMMIT_HASH_SHORT = self.shortRev or "unknown";
         postPatch = ''