diff --git a/pkgs/by-name/al/algol68g/package.nix b/pkgs/by-name/al/algol68g/package.nix
index 9873c1a09a48..70c862e4e610 100644
--- a/pkgs/by-name/al/algol68g/package.nix
+++ b/pkgs/by-name/al/algol68g/package.nix
@@ -15,11 +15,11 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "algol68g";
-  version = "3.4.2";
+  version = "3.5.14";
 
   src = fetchurl {
     url = "https://jmvdveer.home.xs4all.nl/algol68g-${finalAttrs.version}.tar.gz";
-    hash = "sha256-hKiRMU98sZhGgHhjgtwUNSIv2iPgb4T+dgYw58IGK8Q=";
+    hash = "sha256-uIy8rIhUjohiQJ/K5EprsIISXMAx1w27I3cGo/9H9Wk=";
   };
 
   outputs = [