diff --git a/pkgs/by-name/de/der-ascii/package.nix b/pkgs/by-name/de/der-ascii/package.nix
index 212f190b2777..ed786156a88d 100644
--- a/pkgs/by-name/de/der-ascii/package.nix
+++ b/pkgs/by-name/de/der-ascii/package.nix
@@ -6,13 +6,13 @@
 
 buildGoModule rec {
   pname = "der-ascii";
-  version = "0.3.0";
+  version = "0.5.0";
 
   src = fetchFromGitHub {
     owner = "google";
     repo = pname;
     rev = "v${version}";
-    sha256 = "sha256-LgxGSZQNxwx08mK9G8mSuBFTOd3pC1mvz3Wz7Y+6XR4=";
+    sha256 = "sha256-yUHVPBUW1Csn3W5K9S2TWOq4aovzpaBK8BC0t8zkj3g=";
   };
   vendorHash = null;