diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 7d0e0d71d609..5229f759d36c 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -26606,6 +26606,23 @@ with pkgs;
 
   thttpd = callPackage ../servers/http/thttpd { };
 
+  stalwart-mail_0_6 = (stalwart-mail.override { rocksdb_8_11 = rocksdb_8_3; }).overrideAttrs (old: rec {
+    pname = "stalwart-mail_0_6";
+    version = "0.6.0";
+    src = fetchFromGitHub {
+      owner = "stalwartlabs";
+      repo = "mail-server";
+      rev = "v${version}";
+      hash = "sha256-OHwUWSUW6ovLQTxnuUrolQGhxbhp4YqKSH+ZTpe2WXc=";
+      fetchSubmodules = true;
+    };
+    cargoDeps = old.cargoDeps.overrideAttrs (_: {
+      inherit src;
+      name = "${pname}-${version}-vendor.tar.gz";
+      outputHash = "sha256-mW3OXQj6DcIMO1YlTG3G+a1ORRcuvp5/h7BU+b4QbnE=";
+    });
+  });
+
   static-web-server = callPackage ../servers/static-web-server { };
 
   stone = callPackage ../servers/stone { };