diff --git a/.prow.yaml b/.prow.yaml
index 339b09aef07..85a46b60c22 100644
--- a/.prow.yaml
+++ b/.prow.yaml
@@ -5,7 +5,7 @@ presubmits:
   run_if_changed: '^(\.prow|prow/(config|plugins|cluster/jobs/.*))\.yaml$'
   spec:
     containers:
-    - image: gcr.io/k8s-prow/checkconfig:v20210922-3d09bce713
+    - image: gcr.io/k8s-prow/checkconfig:v20210923-a4eeeab24f
       command:
       - /checkconfig
       args:
diff --git a/prow/cluster/cherrypicker_deployment.yaml b/prow/cluster/cherrypicker_deployment.yaml
index f3f0d95d230..067c0eb6f0f 100644
--- a/prow/cluster/cherrypicker_deployment.yaml
+++ b/prow/cluster/cherrypicker_deployment.yaml
@@ -19,7 +19,7 @@ spec:
       terminationGracePeriodSeconds: 180
       containers:
       - name: cherrypicker
-        image: gcr.io/k8s-prow/cherrypicker:v20210922-3d09bce713
+        image: gcr.io/k8s-prow/cherrypicker:v20210923-a4eeeab24f
         args:
         - --create-issue-on-conflict
         - --dry-run=false
diff --git a/prow/cluster/crier_deployment.yaml b/prow/cluster/crier_deployment.yaml
index 4de1f6363e2..e34a4e3d669 100644
--- a/prow/cluster/crier_deployment.yaml
+++ b/prow/cluster/crier_deployment.yaml
@@ -20,7 +20,7 @@ spec:
       terminationGracePeriodSeconds: 30
       containers:
       - name: crier
-        image: gcr.io/k8s-prow/crier:v20210922-3d09bce713
+        image: gcr.io/k8s-prow/crier:v20210923-a4eeeab24f
         args:
         - --blob-storage-workers=1
         - --config-path=/etc/config/config.yaml
diff --git a/prow/cluster/deck_deployment.yaml b/prow/cluster/deck_deployment.yaml
index d44f6d94d5d..b83a508b2a6 100644
--- a/prow/cluster/deck_deployment.yaml
+++ b/prow/cluster/deck_deployment.yaml
@@ -25,7 +25,7 @@ spec:
       terminationGracePeriodSeconds: 30
       containers:
       - name: deck
-        image: gcr.io/k8s-prow/deck:v20210922-3d09bce713
+        image: gcr.io/k8s-prow/deck:v20210923-a4eeeab24f
         ports:
         - name: http
           containerPort: 8080
diff --git a/prow/cluster/deck_private_deployment.yaml b/prow/cluster/deck_private_deployment.yaml
index b56c90bdd80..c34c822ce59 100644
--- a/prow/cluster/deck_private_deployment.yaml
+++ b/prow/cluster/deck_private_deployment.yaml
@@ -20,7 +20,7 @@ spec:
       terminationGracePeriodSeconds: 30
       containers:
       - name: deck-private
-        image: gcr.io/k8s-prow/deck:v20210922-3d09bce713
+        image: gcr.io/k8s-prow/deck:v20210923-a4eeeab24f
         ports:
         - name: http
           containerPort: 8080
diff --git a/prow/cluster/ghproxy.yaml b/prow/cluster/ghproxy.yaml
index f62dd95620a..952cc010fbe 100644
--- a/prow/cluster/ghproxy.yaml
+++ b/prow/cluster/ghproxy.yaml
@@ -34,7 +34,7 @@ spec:
     spec:
       containers:
       - name: ghproxy
-        image: gcr.io/k8s-prow/ghproxy:v20210922-3d09bce713
+        image: gcr.io/k8s-prow/ghproxy:v20210923-a4eeeab24f
         args:
         - --cache-dir=/cache
         - --cache-sizeGB=99
diff --git a/prow/cluster/hook_deployment.yaml b/prow/cluster/hook_deployment.yaml
index ad1ffc40a8a..65f3f61e4d6 100644
--- a/prow/cluster/hook_deployment.yaml
+++ b/prow/cluster/hook_deployment.yaml
@@ -25,7 +25,7 @@ spec:
       terminationGracePeriodSeconds: 180
       containers:
       - name: hook
-        image: gcr.io/k8s-prow/hook:v20210922-3d09bce713
+        image: gcr.io/k8s-prow/hook:v20210923-a4eeeab24f
         args:
         - --config-path=/etc/config/config.yaml
         - --dry-run=false
diff --git a/prow/cluster/horologium_deployment.yaml b/prow/cluster/horologium_deployment.yaml
index 4dbf8822074..492b172a8c4 100644
--- a/prow/cluster/horologium_deployment.yaml
+++ b/prow/cluster/horologium_deployment.yaml
@@ -20,7 +20,7 @@ spec:
       terminationGracePeriodSeconds: 30
       containers:
       - name: horologium
-        image: gcr.io/k8s-prow/horologium:v20210922-3d09bce713
+        image: gcr.io/k8s-prow/horologium:v20210923-a4eeeab24f
         args:
         - --config-path=/etc/config/config.yaml
         - --dry-run=false
diff --git a/prow/cluster/jobs/istio/test-infra/istio.test-infra.trusted.master.yaml b/prow/cluster/jobs/istio/test-infra/istio.test-infra.trusted.master.yaml
index d7e9f556a2f..0ea676cdbdf 100644
--- a/prow/cluster/jobs/istio/test-infra/istio.test-infra.trusted.master.yaml
+++ b/prow/cluster/jobs/istio/test-infra/istio.test-infra.trusted.master.yaml
@@ -45,7 +45,7 @@ periodics:
     testgrid-create-test-group: "false"
   spec:
     containers:
-    - image: gcr.io/k8s-prow/branchprotector:v20210922-3d09bce713
+    - image: gcr.io/k8s-prow/branchprotector:v20210923-a4eeeab24f
       command:
       - /app/prow/cmd/branchprotector/app.binary
       args:
@@ -75,7 +75,7 @@ periodics:
     testgrid-create-test-group: "false"
   spec:
     containers:
-    - image: gcr.io/k8s-prow/generic-autobumper:v20210922-3d09bce713
+    - image: gcr.io/k8s-prow/generic-autobumper:v20210923-a4eeeab24f
       command:
       - /app/prow/cmd/generic-autobumper/app.binary
       args:
@@ -106,7 +106,7 @@ periodics:
     testgrid-create-test-group: "false"
   spec:
     containers:
-    - image: gcr.io/k8s-prow/generic-autobumper:v20210922-3d09bce713
+    - image: gcr.io/k8s-prow/generic-autobumper:v20210923-a4eeeab24f
       command:
       - /app/prow/cmd/generic-autobumper/app.binary
       args:
diff --git a/prow/cluster/needs-rebase_deployment.yaml b/prow/cluster/needs-rebase_deployment.yaml
index 2b824b6348c..5e4a103434e 100644
--- a/prow/cluster/needs-rebase_deployment.yaml
+++ b/prow/cluster/needs-rebase_deployment.yaml
@@ -33,7 +33,7 @@ spec:
       terminationGracePeriodSeconds: 180
       containers:
       - name: needs-rebase
-        image: gcr.io/k8s-prow/needs-rebase:v20210922-3d09bce713
+        image: gcr.io/k8s-prow/needs-rebase:v20210923-a4eeeab24f
         args:
         - --dry-run=false
         - --github-endpoint=http://ghproxy
diff --git a/prow/cluster/prow-controller-manager.yaml b/prow/cluster/prow-controller-manager.yaml
index 769582e9d8b..8198362c380 100644
--- a/prow/cluster/prow-controller-manager.yaml
+++ b/prow/cluster/prow-controller-manager.yaml
@@ -20,7 +20,7 @@ spec:
       serviceAccountName: prow-controller-manager
       containers:
       - name: prow-controller-manager
-        image: gcr.io/k8s-prow/prow-controller-manager:v20210922-3d09bce713
+        image: gcr.io/k8s-prow/prow-controller-manager:v20210923-a4eeeab24f
         args:
         - --config-path=/etc/config/config.yaml
         - --dry-run=false
diff --git a/prow/cluster/sinker_deployment.yaml b/prow/cluster/sinker_deployment.yaml
index 11e8298c651..b69f96df8c9 100644
--- a/prow/cluster/sinker_deployment.yaml
+++ b/prow/cluster/sinker_deployment.yaml
@@ -19,7 +19,7 @@ spec:
       serviceAccountName: sinker
       containers:
       - name: sinker
-        image: gcr.io/k8s-prow/sinker:v20210922-3d09bce713
+        image: gcr.io/k8s-prow/sinker:v20210923-a4eeeab24f
         args:
         - --config-path=/etc/config/config.yaml
         - --dry-run=false
diff --git a/prow/cluster/statusreconciler_deployment.yaml b/prow/cluster/statusreconciler_deployment.yaml
index 28a586b6746..f6d30a0002e 100644
--- a/prow/cluster/statusreconciler_deployment.yaml
+++ b/prow/cluster/statusreconciler_deployment.yaml
@@ -20,7 +20,7 @@ spec:
       terminationGracePeriodSeconds: 180
       containers:
       - name: statusreconciler
-        image: gcr.io/k8s-prow/status-reconciler:v20210922-3d09bce713
+        image: gcr.io/k8s-prow/status-reconciler:v20210923-a4eeeab24f
         imagePullPolicy: Always
         args:
         - --config-path=/etc/config/config.yaml
diff --git a/prow/cluster/tide_deployment.yaml b/prow/cluster/tide_deployment.yaml
index 844eaf9953b..974fd7f6e89 100644
--- a/prow/cluster/tide_deployment.yaml
+++ b/prow/cluster/tide_deployment.yaml
@@ -19,7 +19,7 @@ spec:
       serviceAccountName: tide
       containers:
       - name: tide
-        image: gcr.io/k8s-prow/tide:v20210922-3d09bce713
+        image: gcr.io/k8s-prow/tide:v20210923-a4eeeab24f
         args:
         - --config-path=/etc/config/config.yaml
         - --dry-run=false
diff --git a/prow/config.yaml b/prow/config.yaml
index b050bd32705..809ae9af168 100644
--- a/prow/config.yaml
+++ b/prow/config.yaml
@@ -11,10 +11,10 @@ plank:
       timeout: 2h
       grace_period: 15s
       utility_images:
-        clonerefs: "gcr.io/k8s-prow/clonerefs:v20210922-3d09bce713"
-        initupload: "gcr.io/k8s-prow/initupload:v20210922-3d09bce713"
-        entrypoint: "gcr.io/k8s-prow/entrypoint:v20210922-3d09bce713"
-        sidecar: "gcr.io/k8s-prow/sidecar:v20210922-3d09bce713"
+        clonerefs: "gcr.io/k8s-prow/clonerefs:v20210923-a4eeeab24f"
+        initupload: "gcr.io/k8s-prow/initupload:v20210923-a4eeeab24f"
+        entrypoint: "gcr.io/k8s-prow/entrypoint:v20210923-a4eeeab24f"
+        sidecar: "gcr.io/k8s-prow/sidecar:v20210923-a4eeeab24f"
       gcs_configuration:
         bucket: "istio-prow"
         path_strategy: "explicit"