diff --git a/uv.lock b/uv.lock
index 052ccd3..bf450b4 100644
--- a/uv.lock
+++ b/uv.lock
@@ -829,6 +829,7 @@ dependencies = [
 dev = [
     { name = "dash", extra = ["testing"] },
     { name = "fastexcel" },
+    { name = "openpyxl" },
     { name = "pre-commit" },
     { name = "pytest" },
     { name = "pytest-env" },
@@ -863,6 +864,7 @@ requires-dist = [
 dev = [
     { name = "dash", extras = ["testing"] },
     { name = "fastexcel" },
+    { name = "openpyxl" },
     { name = "pre-commit" },
     { name = "pytest" },
     { name = "pytest-env" },
@@ -939,6 +941,15 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/96/fd/a40c621ff207f3ce8e484aa0fc8ba4eb6e3ecf52e15b42ba764b457a9550/editorconfig-0.17.1-py3-none-any.whl", hash = "sha256:1eda9c2c0db8c16dbd50111b710572a5e6de934e39772de1959d41f64fc17c82", size = 16360, upload-time = "2025-06-09T08:21:35.654Z" },
 ]
 
+[[package]]
+name = "et-xmlfile"
+version = "2.0.0"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/d3/38/af70d7ab1ae9d4da450eeec1fa3918940a5fafb9055e934af8d6eb0c2313/et_xmlfile-2.0.0.tar.gz", hash = "sha256:dab3f4764309081ce75662649be815c4c9081e88f0837825f90fd28317d4da54", size = 17234, upload-time = "2024-10-25T17:25:40.039Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/c1/8b/5fe2cc11fee489817272089c4203e679c63b570a5aaeb18d852ae3cbba6a/et_xmlfile-2.0.0-py3-none-any.whl", hash = "sha256:7a91720bc756843502c3b7504c77b8fe44217c85c537d85037f0f536151b2caa", size = 18059, upload-time = "2024-10-25T17:25:39.051Z" },
+]
+
 [[package]]
 name = "exceptiongroup"
 version = "1.3.1"
@@ -1647,6 +1658,18 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/15/ce/e5ec180bc41812edcd8daeb8639d205622c0e8c02259d8ab25a0201b3c2a/numpy-2.4.6-pp311-pypy311_pp73-win_amd64.whl", hash = "sha256:2803abfebfc990042cd494d8ce2d5f82e9d847af6d35ec486923aa19dbad5e73", size = 12504263, upload-time = "2026-05-18T23:37:09.715Z" },
 ]
 
+[[package]]
+name = "openpyxl"
+version = "3.1.5"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "et-xmlfile" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/3d/f9/88d94a75de065ea32619465d2f77b29a0469500e99012523b91cc4141cd1/openpyxl-3.1.5.tar.gz", hash = "sha256:cf0e3cf56142039133628b5acffe8ef0c12bc902d2aadd3e0fe5878dc08d1050", size = 186464, upload-time = "2024-06-28T14:03:44.161Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/c0/da/977ded879c29cbd04de313843e76868e6e13408a94ed6b987245dc7c8506/openpyxl-3.1.5-py2.py3-none-any.whl", hash = "sha256:5282c12b107bffeef825f4617dc029afaf41d0ea60823bbb665ef3079dc79de2", size = 250910, upload-time = "2024-06-28T14:03:41.161Z" },
+]
+
 [[package]]
 name = "outcome"
 version = "1.3.0.post0"