diff --git a/pkgs/development/python-modules/sleekxmppfs/default.nix b/pkgs/development/python-modules/sleekxmppfs/default.nix
new file mode 100644
index 000000000000..d24fe4b40d27
--- /dev/null
+++ b/pkgs/development/python-modules/sleekxmppfs/default.nix
@@ -0,0 +1,42 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+  setuptools,
+  dnspython,
+  pyasn1,
+  pyasn1-modules,
+}:
+
+buildPythonPackage rec {
+  pname = "sleekxmppfs";
+  version = "1.4.1";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "aszymanik";
+    repo = "SleekXMPP";
+    rev = "refs/tags/sleek-${version}";
+    hash = "sha256-E2S4fMk5dRr8g42iOYmKOknHX7NS6EZ/LAZKc1v3dPg=";
+  };
+
+  build-system = [ setuptools ];
+
+  dependencies = [
+    dnspython
+    pyasn1
+    pyasn1-modules
+  ];
+
+  pythonImportsCheck = [ "sleekxmppfs" ];
+
+  # tests weren't adapted for the fork
+  doCheck = false;
+
+  meta = {
+    description = "A fork of SleekXMPP with TLS cert validation disabled, intended only to be used with the sucks project";
+    license = lib.licenses.mit;
+    homepage = "https://github.com/aszymanik/SleekXMPP";
+    maintainers = with lib.maintainers; [ dotlambda ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 189b52c8c6f4..da603b9c15cd 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -14452,6 +14452,8 @@ self: super: with self; {
 
   sleekxmpp = callPackage ../development/python-modules/sleekxmpp { };
 
+  sleekxmppfs = callPackage ../development/python-modules/sleekxmppfs { };
+
   sleepyq = callPackage ../development/python-modules/sleepyq { };
 
   sleqp = toPythonModule (pkgs.sleqp.override { pythonSupport = true; python3Packages = self; });