diff --git a/.kokoro/continuous/system.cfg b/.kokoro/continuous/system.cfg
index 7a0cb9b76e..bda5345ece 100644
--- a/.kokoro/continuous/system.cfg
+++ b/.kokoro/continuous/system.cfg
@@ -11,5 +11,5 @@ env_vars: {
     value: "-n=auto --dist=loadscope"
 }
 
-# Kokoro VM timeout of 10 hours for system tests
-timeout_mins: 600
+# Kokoro VM timeout of 12 hours for system tests
+timeout_mins: 720