diff --git a/minimum_os.bzl b/minimum_os.bzl
index c7ad06b6..324a462c 100644
--- a/minimum_os.bzl
+++ b/minimum_os.bzl
@@ -14,5 +14,5 @@
 
 """Minimum OS version definitions and related test setup"""
 
-IOS_MINIMUM_OS = "13.7"
+IOS_MINIMUM_OS = "15.0"
 IOS_LATEST_TEST_RUNNER = "//testing/utp/ios:IOS_LATEST"