diff --git a/kokoro/run_tests.sh b/kokoro/run_tests.sh
index 2fd8755bcb..57f31e7629 100755
--- a/kokoro/run_tests.sh
+++ b/kokoro/run_tests.sh
@@ -90,8 +90,8 @@ run_linux_tests() {
 
 run_macos_tests() {
   # Default values for iOS SDK and Xcode. Can be overriden by another script.
-  : "${IOS_SDK_VERSION:=13.0}"
-  : "${XCODE_VERSION:=11.0}"
+  : "${IOS_SDK_VERSION:=13.2}"
+  : "${XCODE_VERSION:=11.3}"
 
   # Build all the iOS targets.
   time bazel build \