diff --git a/CHANGELOG.md b/CHANGELOG.md
index 59c10e2..96d2853 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,7 @@
 
 ### Added
 
+- Added validation for `plan` to be `enterprise`.
 - Added validation for `two_factor_requirement` to be enabled.
 
 ## [0.10.0] - 2024/11/20
diff --git a/validate-org-settings.py b/validate-org-settings.py
index 8dd34e7..1ecb92a 100644
--- a/validate-org-settings.py
+++ b/validate-org-settings.py
@@ -9,3 +9,4 @@
 context.property_equals(self, "members_can_create_teams", False)
 context.property_equals(self, "default_code_security_configurations_disabled", True)
 context.property_equals(self, "two_factor_requirement", True)
+context.property_equals(self, "plan", "enterprise")