diff --git a/third_party/litestream/default.nix b/third_party/litestream/default.nix
new file mode 100644
index 000000000..20b094ee8
--- /dev/null
+++ b/third_party/litestream/default.nix
@@ -0,0 +1,23 @@
+# TODO(tazjin): Upstream this derivation if litestream is good.
+{ pkgs, lib, ... }:
+
+let inherit (pkgs) buildGoModule fetchFromGitHub;
+in pkgs.buildGoModule rec {
+  pname = "litestream";
+  version = "0.3.4";
+  vendorSha256 = "1dcb5f06cq484i9m9pi5l4banygh3s4bz5964hy7ypmm1z2pcmrv";
+
+  src = pkgs.fetchFromGitHub {
+    owner = "benbjohnson";
+    repo = "litestream";
+    rev = "v${version}";
+    sha256 = "1ivyxgmbysir9qsbsz6nksjqzw6ba0zrymacsw12ab9bvbldjxv7";
+  };
+
+  meta = {
+    description = "Streaming S3 replication for SQLite";
+    homepage = "https://litestream.io/";
+    license = lib.licenses.asl20;
+    maintainers = [ lib.maintainers.tazjin ];
+  };
+}