diff --git a/pkgs/by-name/fa/fasmg/package.nix b/pkgs/by-name/fa/fasmg/package.nix
index 9f60ccc5e8d3..ed6f8d65485a 100644
--- a/pkgs/by-name/fa/fasmg/package.nix
+++ b/pkgs/by-name/fa/fasmg/package.nix
@@ -14,11 +14,11 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "fasmg";
-  version = "l2fx";
+  version = "l45p";
 
   src = fetchzip {
     url = "https://flatassembler.net/fasmg.${finalAttrs.version}.zip";
-    sha256 = "sha256-np7HhVp1SaII25nPPJGtBB4325K/1S3rKqOudsBNeCk=";
+    sha256 = "sha256-0/P20DiRZbqZHoxWiBPs6wXqpbvRroisyF0dCdmd+j8=";
     stripRoot = false;
   };