diff --git a/homeassistant/package_constraints.txt b/homeassistant/package_constraints.txt
index 03b055c56ba..5c2f308dbbf 100644
--- a/homeassistant/package_constraints.txt
+++ b/homeassistant/package_constraints.txt
@@ -16,7 +16,7 @@ bluetooth-adapters==0.14.1
 bluetooth-auto-recovery==1.0.3
 bluetooth-data-tools==0.3.1
 certifi>=2021.5.30
-ciso8601==2.2.0
+ciso8601==2.3.0
 cryptography==38.0.3
 dbus-fast==1.82.0
 fnvhash==0.1.0
diff --git a/pyproject.toml b/pyproject.toml
index 7ac0909b990..ccc19625330 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -32,7 +32,7 @@ dependencies    = [
     "awesomeversion==22.9.0",
     "bcrypt==3.1.7",
     "certifi>=2021.5.30",
-    "ciso8601==2.2.0",
+    "ciso8601==2.3.0",
     # When bumping httpx, please check the version pins of
     # httpcore, anyio, and h11 in gen_requirements_all
     "httpx==0.23.1",
diff --git a/requirements.txt b/requirements.txt
index b4f78582134..077120c4ae1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ atomicwrites-homeassistant==1.4.1
 awesomeversion==22.9.0
 bcrypt==3.1.7
 certifi>=2021.5.30
-ciso8601==2.2.0
+ciso8601==2.3.0
 httpx==0.23.1
 home-assistant-bluetooth==1.9.0
 ifaddr==0.1.7