diff --git a/poetry.lock b/poetry.lock
index e0a926b..01618f7 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1402,6 +1402,7 @@ files = [
 numpy = [
     {version = ">=1.20.3", markers = "python_version < \"3.10\""},
     {version = ">=1.21.0", markers = "python_version >= \"3.10\""},
+    {version = ">=1.23.2", markers = "python_version >= \"3.11\""},
 ]
 python-dateutil = ">=2.8.1"
 pytz = ">=2020.1"
@@ -2244,13 +2245,13 @@ testing = ["flake8 (<5)", "func-timeout", "jaraco.functools", "jaraco.itertools"
 
 [[package]]
 name = "ztflc"
-version = "0.2.7"
+version = "0.2.8"
 description = "ztflc: Force photometry lc fitter"
 category = "main"
 optional = false
 python-versions = "*"
 files = [
-    {file = "ztflc-0.2.7.tar.gz", hash = "sha256:72a5b967bcd1b38b77d0d713b6e672176de9c2b50f13be9743cad286d1ca434d"},
+    {file = "ztflc-0.2.8.tar.gz", hash = "sha256:8b7032b6501703f0aeef7c32476bcdd7c6621ad5408b85cd14fb0fc3e70ffec9"},
 ]
 
 [package.dependencies]
@@ -2275,5 +2276,5 @@ slack = ["slackclient"]
 
 [metadata]
 lock-version = "2.0"
-python-versions = ">=3.8,<3.11"
-content-hash = "10fbfd86732e03c05bde6afbba47f4eb952a8a313f4b41bbd6c40998922983eb"
+python-versions = ">=3.8,<4"
+content-hash = "20b5358adfacdf1107d3b58ae43f90ac6f80589b1206e1f6edc654a35d9dc001"