diff --git a/images/test-runner/cloudbuild.yaml b/images/test-runner/cloudbuild.yaml
index 3e4d67d06..7258ab384 100644
--- a/images/test-runner/cloudbuild.yaml
+++ b/images/test-runner/cloudbuild.yaml
@@ -1,4 +1,4 @@
-timeout: 1200s
+timeout: 3600s
 options:
   substitution_option: ALLOW_LOOSE
 steps: