diff --git a/pkgs/by-name/ko/kotlin-language-server/package.nix b/pkgs/by-name/ko/kotlin-language-server/package.nix
index b257d2fd1256..e9bd6b1aecbc 100644
--- a/pkgs/by-name/ko/kotlin-language-server/package.nix
+++ b/pkgs/by-name/ko/kotlin-language-server/package.nix
@@ -10,10 +10,10 @@
 
 stdenv.mkDerivation rec {
   pname = "kotlin-language-server";
-  version = "1.3.12";
+  version = "1.3.13";
   src = fetchzip {
     url = "https://github.com/fwcd/kotlin-language-server/releases/download/${version}/server.zip";
-    hash = "sha256-poWaU0vZS1cpMbbvN7/s1RRUKhekdfTi08fF/IZsVGs=";
+    hash = "sha256-ypiOeXA+14Js31WPGJAdSjskQJR9sBPVWGecLkKHiN4=";
   };
 
   dontBuild = true;