diff --git a/pkgs/development/tools/sumneko-lua-language-server/default.nix b/pkgs/development/tools/sumneko-lua-language-server/default.nix
index 8faba993068c..162951447725 100644
--- a/pkgs/development/tools/sumneko-lua-language-server/default.nix
+++ b/pkgs/development/tools/sumneko-lua-language-server/default.nix
@@ -4,13 +4,13 @@ let
 in
 stdenv.mkDerivation rec {
   pname = "sumneko-lua-language-server";
-  version = "3.5.5";
+  version = "3.5.6";
 
   src = fetchFromGitHub {
     owner = "sumneko";
     repo = "lua-language-server";
     rev = version;
-    sha256 = "sha256-TSBV10QBD9TiQMsH800bSDbOzkD1orzHT4gLNWVE3Iw=";
+    sha256 = "sha256-S07/N6Cq/YG0kS2riPI8wy/fOxPHkMrGqpmUd+ymwJ0=";
     fetchSubmodules = true;
   };