diff --git a/src/rospkg/os_detect.py b/src/rospkg/os_detect.py
index 6c777bb..eae76ad 100644
--- a/src/rospkg/os_detect.py
+++ b/src/rospkg/os_detect.py
@@ -317,7 +317,8 @@ def get_codename(self):
  '10.14': 'mojave',
  '10.15': 'catalina',
  '11': 'big sur',
- '12': 'monterey'
+ '12': 'monterey',
+ '13': 'ventura'
 }