diff --git a/prow/jobs/generated/knative-extensions/kn-plugin-admin-release-1.13.gen.yaml b/prow/jobs/generated/knative-extensions/kn-plugin-admin-release-1.15.gen.yaml
similarity index 88%
rename from prow/jobs/generated/knative-extensions/kn-plugin-admin-release-1.13.gen.yaml
rename to prow/jobs/generated/knative-extensions/kn-plugin-admin-release-1.15.gen.yaml
index 0da9ff82a..470550163 100644
--- a/prow/jobs/generated/knative-extensions/kn-plugin-admin-release-1.13.gen.yaml
+++ b/prow/jobs/generated/knative-extensions/kn-plugin-admin-release-1.15.gen.yaml
@@ -7,17 +7,17 @@
 
 periodics:
 - annotations:
-    testgrid-dashboards: knative-extensions-release-1.13
+    testgrid-dashboards: knative-extensions-release-1.15
     testgrid-tab-name: kn-plugin-admin-continuous
   cluster: prow-build
-  cron: 31 14 * * *
+  cron: 57 16 * * *
   decorate: true
   extra_refs:
-  - base_ref: release-1.13
+  - base_ref: release-1.15
     org: knative-extensions
     path_alias: knative.dev/kn-plugin-admin
     repo: kn-plugin-admin
-  name: continuous_kn-plugin-admin_release-1.13_periodic
+  name: continuous_kn-plugin-admin_release-1.15_periodic
   spec:
     containers:
     - command:
@@ -47,18 +47,18 @@ periodics:
           path: service-account.json
         secretName: prow-google-credentials
 - annotations:
-    testgrid-dashboards: knative-extensions-release-1.13
+    testgrid-dashboards: knative-extensions-release-1.15
     testgrid-tab-name: kn-plugin-admin-release
   cluster: prow-build
-  cron: 25 9 * * 2
+  cron: 55 9 * * 2
   decorate: true
   extra_refs:
-  - base_ref: release-1.13
+  - base_ref: release-1.15
     org: knative-extensions
     path_alias: knative.dev/kn-plugin-admin
     repo: kn-plugin-admin
   max_concurrency: 1
-  name: release_kn-plugin-admin_release-1.13_periodic
+  name: release_kn-plugin-admin_release-1.15_periodic
   spec:
     containers:
     - command:
@@ -78,7 +78,7 @@ periodics:
       - --apple-codesign-password-file
       - /etc/notary/password
       - --branch
-      - release-1.13
+      - release-1.15
       env:
       - name: E2E_CLUSTER_REGION
         value: us-central1
@@ -125,10 +125,10 @@ presubmits:
   knative-extensions/kn-plugin-admin:
   - always_run: true
     branches:
-    - ^release-1.13$
+    - ^release-1.15$
     cluster: prow-build
     decorate: true
-    name: build-tests_kn-plugin-admin_release-1.13
+    name: build-tests_kn-plugin-admin_release-1.15
     path_alias: knative.dev/kn-plugin-admin
     rerun_command: /test build-tests
     spec:
@@ -145,13 +145,13 @@ presubmits:
       nodeSelector:
         kubernetes.io/arch: amd64
         type: testing
-    trigger: ((?m)^/test( | .* )build-tests,?($|\s.*))|((?m)^/test( | .* )build-tests_kn-plugin-admin_release-1.13,?($|\s.*))
+    trigger: ((?m)^/test( | .* )build-tests,?($|\s.*))|((?m)^/test( | .* )build-tests_kn-plugin-admin_release-1.15,?($|\s.*))
   - always_run: true
     branches:
-    - ^release-1.13$
+    - ^release-1.15$
     cluster: prow-build
     decorate: true
-    name: unit-tests_kn-plugin-admin_release-1.13
+    name: unit-tests_kn-plugin-admin_release-1.15
     path_alias: knative.dev/kn-plugin-admin
     rerun_command: /test unit-tests
     spec:
@@ -168,13 +168,13 @@ presubmits:
       nodeSelector:
         kubernetes.io/arch: amd64
         type: testing
-    trigger: ((?m)^/test( | .* )unit-tests,?($|\s.*))|((?m)^/test( | .* )unit-tests_kn-plugin-admin_release-1.13,?($|\s.*))
+    trigger: ((?m)^/test( | .* )unit-tests,?($|\s.*))|((?m)^/test( | .* )unit-tests_kn-plugin-admin_release-1.15,?($|\s.*))
   - always_run: true
     branches:
-    - ^release-1.13$
+    - ^release-1.15$
     cluster: prow-build
     decorate: true
-    name: integration-tests_kn-plugin-admin_release-1.13
+    name: integration-tests_kn-plugin-admin_release-1.15
     path_alias: knative.dev/kn-plugin-admin
     rerun_command: /test integration-tests
     spec:
@@ -205,4 +205,4 @@ presubmits:
           - key: service-account-key.json
             path: service-account.json
           secretName: prow-google-credentials
-    trigger: ((?m)^/test( | .* )integration-tests,?($|\s.*))|((?m)^/test( | .* )integration-tests_kn-plugin-admin_release-1.13,?($|\s.*))
+    trigger: ((?m)^/test( | .* )integration-tests,?($|\s.*))|((?m)^/test( | .* )integration-tests_kn-plugin-admin_release-1.15,?($|\s.*))
diff --git a/prow/jobs/generated/knative-extensions/kn-plugin-quickstart-release-1.13.gen.yaml b/prow/jobs/generated/knative-extensions/kn-plugin-quickstart-release-1.15.gen.yaml
similarity index 88%
rename from prow/jobs/generated/knative-extensions/kn-plugin-quickstart-release-1.13.gen.yaml
rename to prow/jobs/generated/knative-extensions/kn-plugin-quickstart-release-1.15.gen.yaml
index 6d78ab65c..f0d27be55 100644
--- a/prow/jobs/generated/knative-extensions/kn-plugin-quickstart-release-1.13.gen.yaml
+++ b/prow/jobs/generated/knative-extensions/kn-plugin-quickstart-release-1.15.gen.yaml
@@ -7,17 +7,17 @@
 
 periodics:
 - annotations:
-    testgrid-dashboards: knative-extensions-release-1.13
+    testgrid-dashboards: knative-extensions-release-1.15
     testgrid-tab-name: kn-plugin-quickstart-continuous
   cluster: prow-build
-  cron: 41 12 * * *
+  cron: 39 10 * * *
   decorate: true
   extra_refs:
-  - base_ref: release-1.13
+  - base_ref: release-1.15
     org: knative-extensions
     path_alias: knative.dev/kn-plugin-quickstart
     repo: kn-plugin-quickstart
-  name: continuous_kn-plugin-quickstart_release-1.13_periodic
+  name: continuous_kn-plugin-quickstart_release-1.15_periodic
   spec:
     containers:
     - command:
@@ -47,18 +47,18 @@ periodics:
           path: service-account.json
         secretName: prow-google-credentials
 - annotations:
-    testgrid-dashboards: knative-extensions-release-1.13
+    testgrid-dashboards: knative-extensions-release-1.15
     testgrid-tab-name: kn-plugin-quickstart-release
   cluster: prow-build
-  cron: 11 9 * * 2
+  cron: 45 9 * * 2
   decorate: true
   extra_refs:
-  - base_ref: release-1.13
+  - base_ref: release-1.15
     org: knative-extensions
     path_alias: knative.dev/kn-plugin-quickstart
     repo: kn-plugin-quickstart
   max_concurrency: 1
-  name: release_kn-plugin-quickstart_release-1.13_periodic
+  name: release_kn-plugin-quickstart_release-1.15_periodic
   spec:
     containers:
     - command:
@@ -78,7 +78,7 @@ periodics:
       - --apple-codesign-password-file
       - /etc/notary/password
       - --branch
-      - release-1.13
+      - release-1.15
       env:
       - name: E2E_CLUSTER_REGION
         value: us-central1
@@ -125,10 +125,10 @@ presubmits:
   knative-extensions/kn-plugin-quickstart:
   - always_run: true
     branches:
-    - ^release-1.13$
+    - ^release-1.15$
     cluster: prow-build
     decorate: true
-    name: build-tests_kn-plugin-quickstart_release-1.13
+    name: build-tests_kn-plugin-quickstart_release-1.15
     path_alias: knative.dev/kn-plugin-quickstart
     rerun_command: /test build-tests
     spec:
@@ -145,13 +145,13 @@ presubmits:
       nodeSelector:
         kubernetes.io/arch: amd64
         type: testing
-    trigger: ((?m)^/test( | .* )build-tests,?($|\s.*))|((?m)^/test( | .* )build-tests_kn-plugin-quickstart_release-1.13,?($|\s.*))
+    trigger: ((?m)^/test( | .* )build-tests,?($|\s.*))|((?m)^/test( | .* )build-tests_kn-plugin-quickstart_release-1.15,?($|\s.*))
   - always_run: true
     branches:
-    - ^release-1.13$
+    - ^release-1.15$
     cluster: prow-build
     decorate: true
-    name: unit-tests_kn-plugin-quickstart_release-1.13
+    name: unit-tests_kn-plugin-quickstart_release-1.15
     path_alias: knative.dev/kn-plugin-quickstart
     rerun_command: /test unit-tests
     spec:
@@ -168,13 +168,13 @@ presubmits:
       nodeSelector:
         kubernetes.io/arch: amd64
         type: testing
-    trigger: ((?m)^/test( | .* )unit-tests,?($|\s.*))|((?m)^/test( | .* )unit-tests_kn-plugin-quickstart_release-1.13,?($|\s.*))
+    trigger: ((?m)^/test( | .* )unit-tests,?($|\s.*))|((?m)^/test( | .* )unit-tests_kn-plugin-quickstart_release-1.15,?($|\s.*))
   - always_run: true
     branches:
-    - ^release-1.13$
+    - ^release-1.15$
     cluster: prow-build
     decorate: true
-    name: integration-tests_kn-plugin-quickstart_release-1.13
+    name: integration-tests_kn-plugin-quickstart_release-1.15
     path_alias: knative.dev/kn-plugin-quickstart
     rerun_command: /test integration-tests
     spec:
@@ -205,4 +205,4 @@ presubmits:
           - key: service-account-key.json
             path: service-account.json
           secretName: prow-google-credentials
-    trigger: ((?m)^/test( | .* )integration-tests,?($|\s.*))|((?m)^/test( | .* )integration-tests_kn-plugin-quickstart_release-1.13,?($|\s.*))
+    trigger: ((?m)^/test( | .* )integration-tests,?($|\s.*))|((?m)^/test( | .* )integration-tests_kn-plugin-quickstart_release-1.15,?($|\s.*))
diff --git a/prow/jobs/generated/knative-extensions/kn-plugin-source-kamelet-release-1.13.gen.yaml b/prow/jobs/generated/knative-extensions/kn-plugin-source-kamelet-release-1.15.gen.yaml
similarity index 89%
rename from prow/jobs/generated/knative-extensions/kn-plugin-source-kamelet-release-1.13.gen.yaml
rename to prow/jobs/generated/knative-extensions/kn-plugin-source-kamelet-release-1.15.gen.yaml
index b75f56985..80160b33b 100644
--- a/prow/jobs/generated/knative-extensions/kn-plugin-source-kamelet-release-1.13.gen.yaml
+++ b/prow/jobs/generated/knative-extensions/kn-plugin-source-kamelet-release-1.15.gen.yaml
@@ -7,17 +7,17 @@
 
 periodics:
 - annotations:
-    testgrid-dashboards: knative-extensions-release-1.13
+    testgrid-dashboards: knative-extensions-release-1.15
     testgrid-tab-name: kn-plugin-source-kamelet-continuous
   cluster: prow-build
-  cron: 43 14 * * *
+  cron: 53 0 * * *
   decorate: true
   extra_refs:
-  - base_ref: release-1.13
+  - base_ref: release-1.15
     org: knative-extensions
     path_alias: knative.dev/kn-plugin-source-kamelet
     repo: kn-plugin-source-kamelet
-  name: continuous_kn-plugin-source-kamelet_release-1.13_periodic
+  name: continuous_kn-plugin-source-kamelet_release-1.15_periodic
   spec:
     containers:
     - command:
@@ -47,17 +47,17 @@ periodics:
           path: service-account.json
         secretName: prow-google-credentials
 - annotations:
-    testgrid-dashboards: knative-extensions-release-1.13
+    testgrid-dashboards: knative-extensions-release-1.15
     testgrid-tab-name: kn-plugin-source-kamelet-release
   cluster: prow-build
-  cron: 33 9 * * 2
+  cron: 27 9 * * 2
   decorate: true
   extra_refs:
-  - base_ref: release-1.13
+  - base_ref: release-1.15
     org: knative-extensions
     path_alias: knative.dev/kn-plugin-source-kamelet
     repo: kn-plugin-source-kamelet
-  name: release_kn-plugin-source-kamelet_release-1.13_periodic
+  name: release_kn-plugin-source-kamelet_release-1.15_periodic
   spec:
     containers:
     - command:
@@ -77,7 +77,7 @@ periodics:
       - --apple-codesign-password-file
       - /etc/notary/password
       - --branch
-      - release-1.13
+      - release-1.15
       env:
       - name: E2E_CLUSTER_REGION
         value: us-central1
@@ -124,10 +124,10 @@ presubmits:
   knative-extensions/kn-plugin-source-kamelet:
   - always_run: true
     branches:
-    - ^release-1.13$
+    - ^release-1.15$
     cluster: prow-build
     decorate: true
-    name: build-tests_kn-plugin-source-kamelet_release-1.13
+    name: build-tests_kn-plugin-source-kamelet_release-1.15
     path_alias: knative.dev/kn-plugin-source-kamelet
     rerun_command: /test build-tests
     spec:
@@ -144,13 +144,13 @@ presubmits:
       nodeSelector:
         kubernetes.io/arch: amd64
         type: testing
-    trigger: ((?m)^/test( | .* )build-tests,?($|\s.*))|((?m)^/test( | .* )build-tests_kn-plugin-source-kamelet_release-1.13,?($|\s.*))
+    trigger: ((?m)^/test( | .* )build-tests,?($|\s.*))|((?m)^/test( | .* )build-tests_kn-plugin-source-kamelet_release-1.15,?($|\s.*))
   - always_run: true
     branches:
-    - ^release-1.13$
+    - ^release-1.15$
     cluster: prow-build
     decorate: true
-    name: unit-tests_kn-plugin-source-kamelet_release-1.13
+    name: unit-tests_kn-plugin-source-kamelet_release-1.15
     path_alias: knative.dev/kn-plugin-source-kamelet
     rerun_command: /test unit-tests
     spec:
@@ -167,13 +167,13 @@ presubmits:
       nodeSelector:
         kubernetes.io/arch: amd64
         type: testing
-    trigger: ((?m)^/test( | .* )unit-tests,?($|\s.*))|((?m)^/test( | .* )unit-tests_kn-plugin-source-kamelet_release-1.13,?($|\s.*))
+    trigger: ((?m)^/test( | .* )unit-tests,?($|\s.*))|((?m)^/test( | .* )unit-tests_kn-plugin-source-kamelet_release-1.15,?($|\s.*))
   - always_run: true
     branches:
-    - ^release-1.13$
+    - ^release-1.15$
     cluster: prow-build
     decorate: true
-    name: integration-tests_kn-plugin-source-kamelet_release-1.13
+    name: integration-tests_kn-plugin-source-kamelet_release-1.15
     path_alias: knative.dev/kn-plugin-source-kamelet
     rerun_command: /test integration-tests
     spec:
@@ -204,4 +204,4 @@ presubmits:
           - key: service-account-key.json
             path: service-account.json
           secretName: prow-google-credentials
-    trigger: ((?m)^/test( | .* )integration-tests,?($|\s.*))|((?m)^/test( | .* )integration-tests_kn-plugin-source-kamelet_release-1.13,?($|\s.*))
+    trigger: ((?m)^/test( | .* )integration-tests,?($|\s.*))|((?m)^/test( | .* )integration-tests_kn-plugin-source-kamelet_release-1.15,?($|\s.*))
diff --git a/prow/jobs_config/knative-extensions/kn-plugin-admin-release-1.13.yaml b/prow/jobs_config/knative-extensions/kn-plugin-admin-release-1.15.yaml
similarity index 98%
rename from prow/jobs_config/knative-extensions/kn-plugin-admin-release-1.13.yaml
rename to prow/jobs_config/knative-extensions/kn-plugin-admin-release-1.15.yaml
index 42813a1f5..d3e506647 100644
--- a/prow/jobs_config/knative-extensions/kn-plugin-admin-release-1.13.yaml
+++ b/prow/jobs_config/knative-extensions/kn-plugin-admin-release-1.15.yaml
@@ -5,7 +5,7 @@
 # ####                                                                     ####
 # #############################################################################
 branches:
-- release-1.13
+- release-1.15
 image: us-docker.pkg.dev/knative-tests/images/prow-tests:v20240723-cbf584354
 jobs:
 - command:
@@ -57,7 +57,7 @@ jobs:
   - --apple-codesign-password-file
   - /etc/notary/password
   - --branch
-  - release-1.13
+  - release-1.15
   excluded_requirements:
   - gcp
   max_concurrency: 1
diff --git a/prow/jobs_config/knative-extensions/kn-plugin-quickstart-release-1.13.yaml b/prow/jobs_config/knative-extensions/kn-plugin-quickstart-release-1.15.yaml
similarity index 98%
rename from prow/jobs_config/knative-extensions/kn-plugin-quickstart-release-1.13.yaml
rename to prow/jobs_config/knative-extensions/kn-plugin-quickstart-release-1.15.yaml
index 21dd9c01d..01dde12ea 100644
--- a/prow/jobs_config/knative-extensions/kn-plugin-quickstart-release-1.13.yaml
+++ b/prow/jobs_config/knative-extensions/kn-plugin-quickstart-release-1.15.yaml
@@ -5,7 +5,7 @@
 # ####                                                                     ####
 # #############################################################################
 branches:
-- release-1.13
+- release-1.15
 image: us-docker.pkg.dev/knative-tests/images/prow-tests:v20240723-cbf584354
 jobs:
 - command:
@@ -57,7 +57,7 @@ jobs:
   - --apple-codesign-password-file
   - /etc/notary/password
   - --branch
-  - release-1.13
+  - release-1.15
   excluded_requirements:
   - gcp
   max_concurrency: 1
diff --git a/prow/jobs_config/knative-extensions/kn-plugin-source-kamelet-release-1.13.yaml b/prow/jobs_config/knative-extensions/kn-plugin-source-kamelet-release-1.15.yaml
similarity index 98%
rename from prow/jobs_config/knative-extensions/kn-plugin-source-kamelet-release-1.13.yaml
rename to prow/jobs_config/knative-extensions/kn-plugin-source-kamelet-release-1.15.yaml
index f018bc9fe..eb26daeb3 100644
--- a/prow/jobs_config/knative-extensions/kn-plugin-source-kamelet-release-1.13.yaml
+++ b/prow/jobs_config/knative-extensions/kn-plugin-source-kamelet-release-1.15.yaml
@@ -5,7 +5,7 @@
 # ####                                                                     ####
 # #############################################################################
 branches:
-- release-1.13
+- release-1.15
 image: us-docker.pkg.dev/knative-tests/images/prow-tests:v20240723-cbf584354
 jobs:
 - command:
@@ -57,7 +57,7 @@ jobs:
   - --apple-codesign-password-file
   - /etc/notary/password
   - --branch
-  - release-1.13
+  - release-1.15
   excluded_requirements:
   - gcp
   name: release