diff --git a/pkgs/development/tools/misc/slint-lsp/default.nix b/pkgs/development/tools/misc/slint-lsp/default.nix
index 0ecebde8c244..fcbe98003151 100644
--- a/pkgs/development/tools/misc/slint-lsp/default.nix
+++ b/pkgs/development/tools/misc/slint-lsp/default.nix
@@ -25,14 +25,14 @@ let
 in
 rustPlatform.buildRustPackage rec {
   pname = "slint-lsp";
-  version = "0.3.5";
+  version = "1.0.0";
 
   src = fetchCrate {
     inherit pname version;
-    sha256 = "sha256-7ctzbuBP2AeBCd+/n18EdxIeCK89fCPb1ZbSRjdg8u0=";
+    sha256 = "sha256-Ua8ENLxmfYv6zF/uihT49ZpphFaC3zS882cttJ/rvc4=";
   };
 
-  cargoHash = "sha256-b5zb5YMqCfj8jAXQPQnBp6qTs0OGTrTgsd9bDGzPdus=";
+  cargoHash = "sha256-IzjOAy9zTtsD4jHjI1oVXBg7Si1AeDNH8ATK4yO8WVw=";
 
   nativeBuildInputs = [ cmake pkg-config fontconfig ];
   buildInputs = rpathLibs ++ [ xorg.libxcb.dev ]