diff --git a/var/spack/repos/builtin/packages/py-flash-attn/package.py b/var/spack/repos/builtin/packages/py-flash-attn/package.py
new file mode 100644
index 00000000000..308db114538
--- /dev/null
+++ b/var/spack/repos/builtin/packages/py-flash-attn/package.py
@@ -0,0 +1,33 @@
+# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+from spack.package import *
+
+
+class PyFlashAttn(PythonPackage):
+    """
+    This package provides the official implementation of FlashAttention.
+    """
+
+    pypi = "flash-attn/flash_attn-2.5.4.tar.gz"
+
+    maintainers("aurianer")
+
+    license("BSD")
+
+    version("2.5.5", sha256="751cee17711d006fe7341cdd78584af86a6239afcfe43b9ed11c84db93126267")
+    version("2.5.4", sha256="d83bb427b517b07e9db655f6e5166eb2607dccf4d6ca3229e3a3528c206b0175")
+
+    depends_on("py-setuptools", type="build")
+
+    with default_args(type=("build", "run")):
+        depends_on("py-torch+cuda")
+        depends_on("py-ninja")
+        depends_on("py-einops")
+        depends_on("py-packaging")
+
+    depends_on("py-psutil", type="build")
+
+    depends_on("python@3.7:", type=("build", "run"))