diff --git a/pkgs/applications/editors/vscode/extensions/default.nix b/pkgs/applications/editors/vscode/extensions/default.nix
index 3d58a59a61c4..873b4fd3676c 100644
--- a/pkgs/applications/editors/vscode/extensions/default.nix
+++ b/pkgs/applications/editors/vscode/extensions/default.nix
@@ -4867,8 +4867,8 @@ let
         mktplcRef = {
           name = "uiua-vscode";
           publisher = "uiua-lang";
-          version = "0.0.53";
-          hash = "sha256-5CHAX1jGyJ2VVEBTh5G1JM8+L9paryBa2zJoTkZ+G7Q=";
+          version = "0.0.54";
+          hash = "sha256-oY8z3q4LOLhiTttm9Rtcy/CnhaSHkjyCBjwqYnuNBQA=";
         };
         meta = {
           description = "VSCode language extension for Uiua";
diff --git a/pkgs/by-name/ui/uiua/package.nix b/pkgs/by-name/ui/uiua/package.nix
index 86c238328e3a..a3d6dd08bbab 100644
--- a/pkgs/by-name/ui/uiua/package.nix
+++ b/pkgs/by-name/ui/uiua/package.nix
@@ -18,16 +18,16 @@ let
 in
 rustPlatform.buildRustPackage rec {
   pname = "uiua";
-  version = "0.12.3";
+  version = "0.13.0-dev.1";
 
   src = fetchFromGitHub {
     owner = "uiua-lang";
     repo = "uiua";
     rev = version;
-    hash = "sha256-gI+FaiNN7Hql9HMsrl5skJuJDJv/mVarsFqslLXVvLU=";
+    hash = "sha256-dwiwv24bhn8/WVxrq8uReEPhU/5zn3oaH/AMjNJiA4M=";
   };
 
-  cargoHash = "sha256-9mdspWwuZ+dLBnhklSqi4Lg2SjJyhhfn5Ax58evtkDA=";
+  cargoHash = "sha256-4XHKcmOeaeSGfl7uvQQdhm29DBWEdZLX021d9+Ebrww=";
 
   nativeBuildInputs =
     lib.optionals stdenv.isDarwin [ rustPlatform.bindgenHook ]