diff --git a/pkgs/applications/version-management/git-lfs/default.nix b/pkgs/applications/version-management/git-lfs/default.nix
index a45f184881d4..ed36f2092716 100644
--- a/pkgs/applications/version-management/git-lfs/default.nix
+++ b/pkgs/applications/version-management/git-lfs/default.nix
@@ -39,6 +39,10 @@ buildGoModule rec {
 
   postInstall = ''
     installManPage man/man*/*
+    installShellCompletion --cmd git-lfs \
+      --bash <($out/bin/git-lfs completion bash) \
+      --fish <($out/bin/git-lfs completion fish) \
+      --zsh <($out/bin/git-lfs completion zsh)
   '';
 
   passthru.tests.version = testers.testVersion {