diff --git a/pkgs/development/tools/misc/nimlsp/default.nix b/pkgs/development/tools/misc/nimlsp/default.nix
index af4ed6977b19..9c6505b3abd5 100644
--- a/pkgs/development/tools/misc/nimlsp/default.nix
+++ b/pkgs/development/tools/misc/nimlsp/default.nix
@@ -2,17 +2,17 @@
 
 nimPackages.buildNimPackage rec {
   pname = "nimlsp";
-  version = "0.4.1";
+  version = "0.4.4";
   nimBinOnly = true;
 
   src = fetchFromGitHub {
     owner = "PMunch";
     repo = "nimlsp";
     rev = "v${version}";
-    sha256 = "sha256-LAtUGhYEcOwvZzexQ2y3/HPgOge2EsScCbujJ/hz5Ec=";
+    sha256 = "sha256-Z67iKlL+dnRbxdFt/n/fsUcb2wpZwzPpL/G29jfCaMY=";
   };
 
-  buildInputs = with nimPackages; [ jsonschema ];
+  buildInputs = with nimPackages; [ jsonschema asynctools ];
 
   nimFlags = [
     "--threads:on"