diff --git a/poetry.lock b/poetry.lock
index 366c9f5..aa9127f 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -191,7 +191,7 @@ toml = ["tomli"]
 
 [[package]]
 name = "croniter"
-version = "1.2.0"
+version = "1.3.4"
 description = "croniter provides iteration for datetime object with cron like format"
 category = "main"
 optional = false
@@ -1391,8 +1391,8 @@ coverage = [
     {file = "coverage-6.3.1.tar.gz", hash = "sha256:6c3f6158b02ac403868eea390930ae64e9a9a2a5bbfafefbb920d29258d9f2f8"},
 ]
 croniter = [
-    {file = "croniter-1.2.0-py2.py3-none-any.whl", hash = "sha256:c214aa35c0de6048f2e3eddb6cb7812c99fcb4039f37f559a4b2d62edcb0d157"},
-    {file = "croniter-1.2.0.tar.gz", hash = "sha256:094422f6aeb9ed646714393503fa388afe4f846e110e1997fea5794e2085c2d7"},
+    {file = "croniter-1.3.4-py2.py3-none-any.whl", hash = "sha256:1ac5fee61aa3467c9d998b8a889cd3acbf391ad3f473addb0212dc7733b7b5cd"},
+    {file = "croniter-1.3.4.tar.gz", hash = "sha256:3169365916834be654c2cac57ea14d710e742f8eb8a5fce804f6ce548da80bf2"},
 ]
 darglint = [
     {file = "darglint-1.8.1-py3-none-any.whl", hash = "sha256:5ae11c259c17b0701618a20c3da343a3eb98b3bc4b5a83d31cdd94f5ebdced8d"},