diff --git a/poetry.lock b/poetry.lock
index 04998b1..cce0bd8 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -451,13 +451,13 @@ files = [
 
 [[package]]
 name = "croniter"
-version = "3.0.3"
+version = "5.0.1"
 description = "croniter provides iteration for datetime object with cron like format"
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,>=2.6"
 files = [
-    {file = "croniter-3.0.3-py2.py3-none-any.whl", hash = "sha256:b3bd11f270dc54ccd1f2397b813436015a86d30ffc5a7a9438eec1ed916f2101"},
-    {file = "croniter-3.0.3.tar.gz", hash = "sha256:34117ec1741f10a7bd0ec3ad7d8f0eb8fa457a2feb9be32e6a2250e158957668"},
+    {file = "croniter-5.0.1-py2.py3-none-any.whl", hash = "sha256:eb28439742291f6c10b181df1a5ecf421208b1fc62ef44501daec1780a0b09e9"},
+    {file = "croniter-5.0.1.tar.gz", hash = "sha256:7d9b1ef25b10eece48fdf29d8ac52f9b6252abff983ac614ade4f3276294019e"},
 ]
 
 [package.dependencies]