diff --git a/pkgs/by-name/er/eris-go/package.nix b/pkgs/by-name/er/eris-go/package.nix
index 3e05cc65d351..496572f9d7aa 100644
--- a/pkgs/by-name/er/eris-go/package.nix
+++ b/pkgs/by-name/er/eris-go/package.nix
@@ -1,8 +1,8 @@
-{ lib, stdenv, buildGoModule, fetchFromGitea, nixosTests }:
+{ lib, stdenv, buildGoModule, fetchFromGitea, nixosTests, installShellFiles }:
 
 buildGoModule rec {
   pname = "eris-go";
-  version = "20240920";
+  version = "20241028";
   outputs = [ "out" "man" ];
 
   src = fetchFromGitea {
@@ -10,13 +10,17 @@ buildGoModule rec {
     owner = "eris";
     repo = "eris-go";
     rev = version;
-    hash = "sha256-ZC4MBt1ucbZOn3sgs2xEiLLSDq7mz5Nj/in/TzydAbk=";
+    hash = "sha256-v4pN+fVwYoir3GLneWhg/azsg7ifvcKAksoqDkkQGwk=";
   };
 
-  vendorHash = "sha256-TnB4BSO2Yb9AtcHgdEgNrFHAQJ7u4IzmhLdcSjbZ7SA=";
+  vendorHash = "sha256-0BI4U9p4R7umyXtHAQBLa5t5+ni4dDndLNXgTIAMsqw=";
+
+  nativeBuildInputs = [ installShellFiles ];
 
   postInstall = ''
     install -D *.1.gz -t $man/share/man/man1
+    installShellCompletion --cmd eris-go \
+      --fish completions/eris-go.fish
   '';
 
   env.skipNetworkTests = true;