diff --git a/pkgs/development/compilers/gavrasm/default.nix b/pkgs/development/compilers/gavrasm/default.nix
index 0a969a80c12..d77ff0b8e6a 100644
--- a/pkgs/development/compilers/gavrasm/default.nix
+++ b/pkgs/development/compilers/gavrasm/default.nix
@@ -4,12 +4,12 @@ assert lib.assertOneOf "lang" lang ["cn" "de" "en" "fr" "tr"];
 
 stdenv.mkDerivation rec {
   pname = "gavrasm";
-  version = "5.1";
+  version = "5.4";
   flatVersion = lib.strings.replaceStrings ["."] [""] version;
 
   src = fetchzip {
     url = "http://www.avr-asm-tutorial.net/gavrasm/v${flatVersion}/gavrasm_sources_lin_${flatVersion}.zip";
-    sha256 = "0k94f8k4980wvhx3dpl1savpx4wqv9r5090l0skg2k8vlhsv58gf";
+    sha256 = "sha256-uTalb8Wzn2RAoUKZx9RZFCX+V9HUEtUnJ4eSltFumh0=";
     stripRoot=false;
   };