diff --git a/pkgs/by-name/as/assemblyscript/package.nix b/pkgs/by-name/as/assemblyscript/package.nix
index cfde0ada2247..0d1b3c310c5d 100644
--- a/pkgs/by-name/as/assemblyscript/package.nix
+++ b/pkgs/by-name/as/assemblyscript/package.nix
@@ -6,16 +6,16 @@
 
 buildNpmPackage rec {
   pname = "assemblyscript";
-  version = "0.28.2";
+  version = "0.28.13";
 
   src = fetchFromGitHub {
     owner = "AssemblyScript";
     repo = "assemblyscript";
     rev = "v${version}";
-    hash = "sha256-8nY3Rst6i+RGW+kfjn/QSbYkaZf67k/KwuyIp40fCSM=";
+    hash = "sha256-AN9W6IYmMFFiD1Au3uW+7jr2xOwVcOGd5e61cqVNnbs=";
   };
 
-  npmDepsHash = "sha256-wj/PMoqUBjXqz8/KOFAH5P5eFty3pztpQ8inGIy+ve4=";
+  npmDepsHash = "sha256-5s420YWTc4bZ5oZRBjinw4lAfMTPrnrIWx4IM3Ysuqo=";
 
   meta = {
     homepage = "https://github.com/AssemblyScript/assemblyscript";