diff --git a/requirements.txt b/requirements.txt
index fec26b175..0232ff1bf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ atomicwrites-homeassistant==1.4.1
 attrs==24.2.0
 awesomeversion==24.6.0
 brotli==1.1.0
-ciso8601==2.3.1
+ciso8601==2.3.2
 colorlog==6.9.0
 cpe==1.3.1
 cryptography==44.0.0