diff --git a/pyproject.toml b/pyproject.toml
index b5fa7c5..4cf7a69 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -60,7 +60,7 @@ dependencies = [
     "tabulate>=0.9.0",
 
     # Utilities
-    "python-dateutil>=2.8.0",
+    "python-dateutil>=2.9.0.post0",
 ]
 
 [project.optional-dependencies]
diff --git a/requirements.txt b/requirements.txt
index e284dd3..0aaeefa 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -32,4 +32,4 @@ click>=8.0.0
 tabulate>=0.9.0
 
 # Utilities
-python-dateutil>=2.8.0
+python-dateutil>=2.9.0.post0