diff --git a/.zuul.yaml b/.zuul.yaml
index c331f95b8c..3bd0e0c6b8 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -128,6 +128,7 @@
     parent: opendev-build-docker-image
     description: Build Docker images.
     allowed-projects: zuul/zuul
+    timeout: 2700  # 45 minutes
     vars: &zuul_image_vars
       docker_images:
         - context: .