diff --git a/poetry.lock b/poetry.lock
index 8f93700..d12dc2c 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -493,13 +493,13 @@ test = ["pytest", "pytest-django"]
 
 [[package]]
 name = "croniter"
-version = "5.0.1"
+version = "6.0.0"
 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-5.0.1-py2.py3-none-any.whl", hash = "sha256:eb28439742291f6c10b181df1a5ecf421208b1fc62ef44501daec1780a0b09e9"},
-    {file = "croniter-5.0.1.tar.gz", hash = "sha256:7d9b1ef25b10eece48fdf29d8ac52f9b6252abff983ac614ade4f3276294019e"},
+    {file = "croniter-6.0.0-py2.py3-none-any.whl", hash = "sha256:2f878c3856f17896979b2a4379ba1f09c83e374931ea15cc835c5dd2eee9b368"},
+    {file = "croniter-6.0.0.tar.gz", hash = "sha256:37c504b313956114a983ece2c2b07790b1f1094fe9d81cc94739214748255577"},
 ]
 
 [package.dependencies]