diff --git a/tools/ct.yml b/tools/ct.yml
index 66fa900..10c9996 100644
--- a/tools/ct.yml
+++ b/tools/ct.yml
@@ -1,4 +1,4 @@
-helm-extra-args: --timeout 600s
+helm-extra-args: --timeout 900s
 check-version-increment: false
 debug: true
 target-branch: main