diff --git a/buildscripts/kokoro/xds.cfg b/buildscripts/kokoro/xds.cfg
index d6ca02c0583..fdff1eb0df2 100644
--- a/buildscripts/kokoro/xds.cfg
+++ b/buildscripts/kokoro/xds.cfg
@@ -2,7 +2,7 @@
 
 # Location of the continuous shell script in repository.
 build_file: "grpc-java/buildscripts/kokoro/xds.sh"
-timeout_mins: 120
+timeout_mins: 360
 action {
   define_artifacts {
     regex: "**/*sponge_log.*"
diff --git a/buildscripts/kokoro/xds_v3.cfg b/buildscripts/kokoro/xds_v3.cfg
index 10aadda3145..fc2fe34e064 100644
--- a/buildscripts/kokoro/xds_v3.cfg
+++ b/buildscripts/kokoro/xds_v3.cfg
@@ -2,7 +2,7 @@
 
 # Location of the continuous shell script in repository.
 build_file: "grpc-java/buildscripts/kokoro/xds_v3.sh"
-timeout_mins: 120
+timeout_mins: 360
 action {
   define_artifacts {
     regex: "**/*sponge_log.*"