diff --git a/.tekton/playbook-dispatcher-pull-request.yaml b/.tekton/playbook-dispatcher-pull-request.yaml
index 3b4865c2..de926a0e 100644
--- a/.tekton/playbook-dispatcher-pull-request.yaml
+++ b/.tekton/playbook-dispatcher-pull-request.yaml
@@ -88,7 +88,7 @@ spec:
       description: Image tag expiration time, time values could be something like
         1h, 2d, 3w for hours, days, and weeks, respectively.
       name: image-expires-after
-    - default: "false"
+    - default: "true"
       description: Build a source image.
       name: build-source-image
       type: string
diff --git a/.tekton/playbook-dispatcher-push.yaml b/.tekton/playbook-dispatcher-push.yaml
index e3379e95..b3f56086 100644
--- a/.tekton/playbook-dispatcher-push.yaml
+++ b/.tekton/playbook-dispatcher-push.yaml
@@ -85,7 +85,7 @@ spec:
       description: Image tag expiration time, time values could be something like
         1h, 2d, 3w for hours, days, and weeks, respectively.
       name: image-expires-after
-    - default: "false"
+    - default: "true"
       description: Build a source image.
       name: build-source-image
       type: string