diff --git a/Makefile.version.aarch64.var b/Makefile.version.aarch64.var
index 189d2a6a91..c0d15f5ad0 100644
--- a/Makefile.version.aarch64.var
+++ b/Makefile.version.aarch64.var
@@ -1 +1 @@
-OCP_VERSION := 4.18.0-0.nightly-arm64-2026-03-29-232143
+OCP_VERSION := 4.18.0-0.nightly-arm64-2026-04-01-232144
diff --git a/assets/optional/multus/release-multus-aarch64.json b/assets/optional/multus/release-multus-aarch64.json
index 2381598b36..e5e5eaa483 100644
--- a/assets/optional/multus/release-multus-aarch64.json
+++ b/assets/optional/multus/release-multus-aarch64.json
@@ -1,6 +1,6 @@
 {
   "release": {
-    "base": "4.18.0-0.nightly-arm64-2026-03-29-232143"
+    "base": "4.18.0-0.nightly-arm64-2026-04-01-232144"
   },
   "images": {
     "multus-cni-microshift": "quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:91edf5679018055bc2cb9189d05aee7f35f339ad6e8abf7e1ef37a90c3c6ff35",
diff --git a/assets/optional/operator-lifecycle-manager/kustomization.aarch64.yaml b/assets/optional/operator-lifecycle-manager/kustomization.aarch64.yaml
index 59194b27bd..42c22d6645 100644
--- a/assets/optional/operator-lifecycle-manager/kustomization.aarch64.yaml
+++ b/assets/optional/operator-lifecycle-manager/kustomization.aarch64.yaml
@@ -2,10 +2,10 @@
 images:
   - name: quay.io/operator-framework/olm
     newName: quay.io/openshift-release-dev/ocp-v4.0-art-dev
-    digest: sha256:cec1e663c9b454cb05355c22f1594606692c4e145f35b83c40a723e68c6655e3
+    digest: sha256:80cf4182b92e8a5baf4bddec2e8000ff41ccced7abfb674bbdac9681a16d90aa
   - name: quay.io/operator-framework/configmap-operator-registry
     newName: quay.io/openshift-release-dev/ocp-v4.0-art-dev
-    digest: sha256:84351aee4592ae4e007cb5c5ed11722f7464a57c92fcc14bd2e3e57df89cdb30
+    digest: sha256:bf7796a72d725021fd1416e93b53535d9ea7adc7bf3168bde1ca2589a637253c
   - name: quay.io/openshift/origin-kube-rbac-proxy
     newName: quay.io/openshift-release-dev/ocp-v4.0-art-dev
     digest: sha256:929d27000955d2ca2913ba8a380e0311762522a5c1cd6a8ae1790d6f1d7b4e57
@@ -16,12 +16,12 @@ patches:
        path: /spec/template/spec/containers/0/env/-
        value:
          name: OPERATOR_REGISTRY_IMAGE
-         value: quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:84351aee4592ae4e007cb5c5ed11722f7464a57c92fcc14bd2e3e57df89cdb30
+         value: quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:bf7796a72d725021fd1416e93b53535d9ea7adc7bf3168bde1ca2589a637253c
      - op: add
        path: /spec/template/spec/containers/0/env/-
        value:
          name: OLM_IMAGE
-         value: quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:cec1e663c9b454cb05355c22f1594606692c4e145f35b83c40a723e68c6655e3
+         value: quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:80cf4182b92e8a5baf4bddec2e8000ff41ccced7abfb674bbdac9681a16d90aa
     target:
       kind: Deployment
       labelSelector: app=catalog-operator
diff --git a/assets/optional/operator-lifecycle-manager/release-olm-aarch64.json b/assets/optional/operator-lifecycle-manager/release-olm-aarch64.json
index 8acba4d78c..3cf1db65da 100644
--- a/assets/optional/operator-lifecycle-manager/release-olm-aarch64.json
+++ b/assets/optional/operator-lifecycle-manager/release-olm-aarch64.json
@@ -1,10 +1,10 @@
 {
   "release": {
-    "base": "4.18.0-0.nightly-arm64-2026-03-29-232143"
+    "base": "4.18.0-0.nightly-arm64-2026-04-01-232144"
   },
   "images": {
-    "operator-lifecycle-manager": "quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:cec1e663c9b454cb05355c22f1594606692c4e145f35b83c40a723e68c6655e3",
-    "operator-registry": "quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:84351aee4592ae4e007cb5c5ed11722f7464a57c92fcc14bd2e3e57df89cdb30",
+    "operator-lifecycle-manager": "quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:80cf4182b92e8a5baf4bddec2e8000ff41ccced7abfb674bbdac9681a16d90aa",
+    "operator-registry": "quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:bf7796a72d725021fd1416e93b53535d9ea7adc7bf3168bde1ca2589a637253c",
     "kube-rbac-proxy": "quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:929d27000955d2ca2913ba8a380e0311762522a5c1cd6a8ae1790d6f1d7b4e57"
   }
 }
diff --git a/assets/release/release-aarch64.json b/assets/release/release-aarch64.json
index 8cb22b8d67..01cddb263a 100644
--- a/assets/release/release-aarch64.json
+++ b/assets/release/release-aarch64.json
@@ -1,6 +1,6 @@
 {
   "release": {
-    "base": "4.18.0-0.nightly-arm64-2026-03-29-232143"
+    "base": "4.18.0-0.nightly-arm64-2026-04-01-232144"
   },
   "images": {
     "cli": "quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:bd5bcf11f7984af4287c26d66c2998238246f0c5c33676ab2fa0dd0c3ff35913",
diff --git a/scripts/auto-rebase/changelog.txt b/scripts/auto-rebase/changelog.txt
index 1294cf0db9..e69de29bb2 100644
--- a/scripts/auto-rebase/changelog.txt
+++ b/scripts/auto-rebase/changelog.txt
@@ -1,3 +0,0 @@
-- machine-config-operator embedded-component ddf9a058799932c22942bdbef849178a6321c883 to 7d117b24b0419a2297f4f087d52b12a72cc89c88
-  - f4f819c0 2026-03-25T01:24:44+00:00 create default-timeout-stop dropin
-
diff --git a/scripts/auto-rebase/last_rebase.sh b/scripts/auto-rebase/last_rebase.sh
index 3ebaf1dd0a..b8658c0e14 100755
--- a/scripts/auto-rebase/last_rebase.sh
+++ b/scripts/auto-rebase/last_rebase.sh
@@ -1,2 +1,2 @@
 #!/bin/bash -x
-./scripts/auto-rebase/rebase.sh to "registry.ci.openshift.org/ocp/release:4.18.0-0.nightly-2026-03-26-041753" "registry.ci.openshift.org/ocp-arm64/release-arm64:4.18.0-0.nightly-arm64-2026-03-29-232143"
+./scripts/auto-rebase/rebase.sh to "registry.ci.openshift.org/ocp/release:4.18.0-0.nightly-2026-03-26-041753" "registry.ci.openshift.org/ocp-arm64/release-arm64:4.18.0-0.nightly-arm64-2026-04-01-232144"