diff --git a/requirements.txt b/requirements.txt
index 7655ae7..7993b1e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,5 +6,5 @@ typing-extensions>=4.16.0
 
 # Optional dependencies for enhanced functionality
 cryptography>=42.0.0
-python-dateutil>=2.9.0.post0
+python-dateutil>=3.0.0
 PyJWT>=2.10.0