diff --git a/poetry.lock b/poetry.lock
index e8d603a3..8cb737c5 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -665,18 +665,15 @@ files = [
 
 [[package]]
 name = "isodate"
-version = "0.6.1"
+version = "0.7.0"
 description = "An ISO 8601 date/time/duration parser and formatter"
 optional = false
 python-versions = "*"
 files = [
-    {file = "isodate-0.6.1-py2.py3-none-any.whl", hash = "sha256:0751eece944162659049d35f4f549ed815792b38793f07cf73381c1c87cbed96"},
-    {file = "isodate-0.6.1.tar.gz", hash = "sha256:48c5881de7e8b0a0d648cb024c8062dc84e7b840ed81e864c7614fd3c127bde9"},
+    {file = "isodate-0.7.0-py3-none-any.whl", hash = "sha256:bc2c92e5b9526930bebb884fe5366ef8c4f437228b836a87a49af82d859fdb16"},
+    {file = "isodate-0.7.0.tar.gz", hash = "sha256:c6332cf456314b85cc3b6ea2c45a6fa417cb1fddb361f6d2ed8f4f69e843c6d1"},
 ]
 
-[package.dependencies]
-six = "*"
-
 [[package]]
 name = "isort"
 version = "5.13.2"
@@ -2314,4 +2311,4 @@ test = ["big-O", "jaraco.functools", "jaraco.itertools", "jaraco.test", "more-it
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.11"
-content-hash = "d2b519fafd34f027838feb6b44aec4a9eddcc3ca60233e4bdae7f62ed6cf48d2"
+content-hash = "2907dcf0aa2c5c0787408956c67b42d1465b08f5048cca0de025e3ddf7d27a9f"
diff --git a/pyproject.toml b/pyproject.toml
index 20927ac0..225ae8fd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ rabe-cridlib = ">=0.10.1,<0.13.0"
 pytz = ">=2023.3"
 pylast = "^5.2.0"
 cloudevents = "^1.9.0"
-isodate = "^0.6.1"
+isodate = ">=0.6.1,<0.8.0"
 lxml = ">=4.9.2,<6.0.0"
 nowplaypadgen = "^0.4.9"
 opentelemetry-api = "^1.18.0"