diff --git a/composer.json b/composer.json
index 66b721dc..b65d044b 100644
--- a/composer.json
+++ b/composer.json
@@ -6,7 +6,7 @@
     "require": {
         "php": "^8.2",
         "apache/avro": "^1.12",
-        "durable-workflow/workflow": "2.0.0-rc.53",
+        "durable-workflow/workflow": "2.0.0-rc.55",
         "laravel/framework": "^13.0",
         "laravel/tinker": "^3.0"
     },
@@ -47,7 +47,7 @@
     },
     "extra": {
         "durable-workflow": {
-            "product-train": "2.0.0-rc.68"
+            "product-train": "2.0.0-rc.69"
         },
         "laravel": {
             "dont-discover": []
diff --git a/composer.lock b/composer.lock
index 3f384086..2d7c5a27 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "551b26429659df26eab696f6e642d526",
+    "content-hash": "9911a96331bfbd64323bd75970bc6c0d",
     "packages": [
         {
             "name": "apache/avro",
@@ -504,16 +504,16 @@
         },
         {
             "name": "durable-workflow/workflow",
-            "version": "2.0.0-rc.53",
+            "version": "2.0.0-rc.55",
             "source": {
                 "type": "git",
                 "url": "https://github.com/durable-workflow/workflow.git",
-                "reference": "62d6eabb10021e4ad72a3d813faa8e24b1c945af"
+                "reference": "720512eefa0a5a97afeb410797cff8803ec76864"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/durable-workflow/workflow/zipball/62d6eabb10021e4ad72a3d813faa8e24b1c945af",
-                "reference": "62d6eabb10021e4ad72a3d813faa8e24b1c945af",
+                "url": "https://api.github.com/repos/durable-workflow/workflow/zipball/720512eefa0a5a97afeb410797cff8803ec76864",
+                "reference": "720512eefa0a5a97afeb410797cff8803ec76864",
                 "shasum": ""
             },
             "require": {
@@ -543,7 +543,7 @@
                     ]
                 },
                 "durable-workflow": {
-                    "product-train": "2.0.0-rc.53",
+                    "product-train": "2.0.0-rc.55",
                     "laravel-embedded-upgrade-contract": "resources/laravel-embedded-upgrade-contract.json",
                     "laravel-dependency-security-policy": "resources/laravel-dependency-security-policy.json"
                 }
@@ -570,9 +570,9 @@
             "description": "Embedded durable workflow runtime and orchestration engine for Laravel applications.",
             "support": {
                 "issues": "https://github.com/durable-workflow/workflow/issues",
-                "source": "https://github.com/durable-workflow/workflow/tree/2.0.0-rc.53"
+                "source": "https://github.com/durable-workflow/workflow/tree/2.0.0-rc.55"
             },
-            "time": "2026-08-31T02:21:00+00:00"
+            "time": "2026-08-31T13:42:11+00:00"
         },
         {
             "name": "egulias/email-validator",
diff --git a/docker-compose.memo-rolling.yml b/docker-compose.memo-rolling.yml
index d5c77bb7..2b44b247 100644
--- a/docker-compose.memo-rolling.yml
+++ b/docker-compose.memo-rolling.yml
@@ -49,14 +49,14 @@ services:
     command: ["server-bootstrap"]
     environment:
       <<: *runtime-environment
-      APP_VERSION: ${APP_VERSION:-2.0.0-rc.68}
+      APP_VERSION: ${APP_VERSION:-2.0.0-rc.69}
 
   successor:
     image: ${DW_MEMO_SUCCESSOR_IMAGE:-durable-workflow/server-memo-rolling:local}
     ports: !override []
     environment:
       <<: *runtime-environment
-      APP_VERSION: ${APP_VERSION:-2.0.0-rc.68}
+      APP_VERSION: ${APP_VERSION:-2.0.0-rc.69}
       DW_SERVER_ID: memo-successor
       DW_SERVER_TOPOLOGY_SHAPE: standalone_server
       DW_SERVER_PROCESS_CLASS: server_http_node
diff --git a/docker-compose.small-cluster.yml b/docker-compose.small-cluster.yml
index cb76515f..76f89e1c 100644
--- a/docker-compose.small-cluster.yml
+++ b/docker-compose.small-cluster.yml
@@ -12,7 +12,7 @@ x-server-build: &server-build
 x-server-environment: &server-environment
   APP_NAME: "Durable Workflow Server"
   APP_ENV: testing
-  APP_VERSION: ${APP_VERSION:-2.0.0-rc.68}
+  APP_VERSION: ${APP_VERSION:-2.0.0-rc.69}
   APP_DEBUG: "false"
   DW_SERVER_KEY: ${DW_SERVER_KEY:-base64:5Zt4nUhlCm3DD0nLXZJQdHiwPfb56yGo9gNV/g3jYbY=}
   DB_CONNECTION: ${DW_SMALL_CLUSTER_DB:-mysql}
diff --git a/docker-compose.yml b/docker-compose.yml
index d97f3ecf..5b8d7008 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -15,7 +15,7 @@ services:
       DW_SERVER_KEY: "${DW_SERVER_KEY:-}"
       DW_SERVER_TOPOLOGY_SHAPE: standalone_server
       DW_SERVER_PROCESS_CLASS: server_http_node
-      APP_VERSION: "${APP_VERSION:-2.0.0-rc.68}"
+      APP_VERSION: "${APP_VERSION:-2.0.0-rc.69}"
       APP_DEBUG: "false"
       DB_CONNECTION: mysql
       DB_HOST: mysql
@@ -54,7 +54,7 @@ services:
       APP_NAME: "Durable Workflow Server"
       APP_ENV: local
       DW_SERVER_KEY: "${DW_SERVER_KEY:-}"
-      APP_VERSION: "${APP_VERSION:-2.0.0-rc.68}"
+      APP_VERSION: "${APP_VERSION:-2.0.0-rc.69}"
       APP_DEBUG: "false"
       DB_CONNECTION: mysql
       DB_HOST: mysql
@@ -107,7 +107,7 @@ services:
       DW_SERVER_KEY: "${DW_SERVER_KEY:-}"
       DW_SERVER_TOPOLOGY_SHAPE: standalone_server
       DW_SERVER_PROCESS_CLASS: worker_node
-      APP_VERSION: "${APP_VERSION:-2.0.0-rc.68}"
+      APP_VERSION: "${APP_VERSION:-2.0.0-rc.69}"
       DB_CONNECTION: mysql
       DB_HOST: mysql
       DB_PORT: 3306
@@ -153,7 +153,7 @@ services:
       DW_SERVER_KEY: "${DW_SERVER_KEY:-}"
       DW_SERVER_TOPOLOGY_SHAPE: standalone_server
       DW_SERVER_PROCESS_CLASS: scheduler_node
-      APP_VERSION: "${APP_VERSION:-2.0.0-rc.68}"
+      APP_VERSION: "${APP_VERSION:-2.0.0-rc.69}"
       DB_CONNECTION: mysql
       DB_HOST: mysql
       DB_PORT: 3306
diff --git a/k8s/helm/durable-workflow/Chart.yaml b/k8s/helm/durable-workflow/Chart.yaml
index 7c83192f..ec2bbc6e 100644
--- a/k8s/helm/durable-workflow/Chart.yaml
+++ b/k8s/helm/durable-workflow/Chart.yaml
@@ -5,11 +5,11 @@ type: application
 # The chart's own semver version. Bumped on every chart release; treated as
 # independent of the server image version (appVersion). Breaking-change rules
 # for this version live in docs/helm-upgrading.md alongside the chart.
-version: 0.1.64
+version: 0.1.65
 # The immutable Durable Workflow Server identity this chart release packages.
 # The onboarding default in values.yaml is generated from the separately
 # qualified compatibility authority; appVersion remains release metadata.
-appVersion: "2.0.0-rc.68"
+appVersion: "2.0.0-rc.69"
 kubeVersion: ">=1.27.0-0"
 home: https://durable-workflow.github.io/docs/2.0/deployment
 sources:
@@ -30,12 +30,14 @@ annotations:
   # exact commit that most recently changed the packaged chart.
   org.opencontainers.image.source: https://github.com/durable-workflow/server
   dev.durable-workflow.source-revision: "unreleased"
-  dev.durable-workflow.image-reference: "docker.io/durableworkflow/server:2.0.0-rc.68"
+  dev.durable-workflow.image-reference: "docker.io/durableworkflow/server:2.0.0-rc.69"
   artifacthub.io/license: MIT
   artifacthub.io/category: integration-delivery
   # Free-form changelog used by Artifact Hub. Keep the most recent chart-version
   # entry first; do not rewrite past entries.
   artifacthub.io/changes: |
+    - kind: fixed
+      description: Ship the durable signal-resume parallel-sequence repair with Workflow 2.0.0-rc.55 in Server 2.0.0-rc.69.
     - kind: fixed
       description: Pin the packaged Workflow engine to 2.0.0-rc.53 in Server 2.0.0-rc.68.
     - kind: fixed
diff --git a/k8s/helm/durable-workflow/README.md b/k8s/helm/durable-workflow/README.md
index 88c13364..3a16fdbc 100644
--- a/k8s/helm/durable-workflow/README.md
+++ b/k8s/helm/durable-workflow/README.md
@@ -48,7 +48,7 @@ Redis — that is intentional, not a bug.
 ```bash
 helm install durable-workflow \
   oci://ghcr.io/durable-workflow/charts/durable-workflow \
-  --version 0.1.64 \
+  --version 0.1.65 \
   --namespace durable-workflow --create-namespace \
   -f my-values.yaml
 ```
@@ -59,7 +59,7 @@ helm install durable-workflow \
 helm repo add durable-workflow https://durable-workflow.github.io/charts/
 helm repo update
 helm install durable-workflow durable-workflow/durable-workflow \
-  --version 0.1.64 \
+  --version 0.1.65 \
   --namespace durable-workflow --create-namespace \
   -f my-values.yaml
 ```
diff --git a/k8s/helm/durable-workflow/ci/existing-secrets-values.yaml b/k8s/helm/durable-workflow/ci/existing-secrets-values.yaml
index 56912e57..51acaf79 100644
--- a/k8s/helm/durable-workflow/ci/existing-secrets-values.yaml
+++ b/k8s/helm/durable-workflow/ci/existing-secrets-values.yaml
@@ -1,7 +1,7 @@
 # CI fixture: GitOps / externally-managed-secret path. The chart consumes
 # existing Secrets and renders no Secret resources of its own.
 image:
-  tag: "2.0.0-rc.68"
+  tag: "2.0.0-rc.69"
 
 externalDatabase:
   connection: pgsql
diff --git a/k8s/helm/durable-workflow/ci/ingress-and-hpa-values.yaml b/k8s/helm/durable-workflow/ci/ingress-and-hpa-values.yaml
index 627973a2..026b0401 100644
--- a/k8s/helm/durable-workflow/ci/ingress-and-hpa-values.yaml
+++ b/k8s/helm/durable-workflow/ci/ingress-and-hpa-values.yaml
@@ -1,6 +1,6 @@
 # CI fixture: ingress + autoscaling enabled. Exercises optional templates.
 image:
-  tag: "2.0.0-rc.68"
+  tag: "2.0.0-rc.69"
 
 externalDatabase:
   connection: mysql
diff --git a/k8s/helm/durable-workflow/ci/inline-secrets-values.yaml b/k8s/helm/durable-workflow/ci/inline-secrets-values.yaml
index fb4cdc24..cd0c1acd 100644
--- a/k8s/helm/durable-workflow/ci/inline-secrets-values.yaml
+++ b/k8s/helm/durable-workflow/ci/inline-secrets-values.yaml
@@ -2,7 +2,7 @@
 # chart's render path is exercised end-to-end. Real deployments should use
 # existingSecret instead.
 image:
-  tag: "2.0.0-rc.68"
+  tag: "2.0.0-rc.69"
 
 externalDatabase:
   connection: mysql
diff --git a/resources/release/source-release.json b/resources/release/source-release.json
index e3466072..9885393b 100644
--- a/resources/release/source-release.json
+++ b/resources/release/source-release.json
@@ -1,9 +1,9 @@
 {
   "schema": "durable-workflow.server.source-release/v1",
   "server": {
-    "version": "2.0.0-rc.68"
+    "version": "2.0.0-rc.69"
   },
   "helm_chart": {
-    "version": "0.1.64"
+    "version": "0.1.65"
   }
 }
diff --git a/tests/Feature/WorkerProtocolContractTest.php b/tests/Feature/WorkerProtocolContractTest.php
index 793ebe08..cbec6a63 100644
--- a/tests/Feature/WorkerProtocolContractTest.php
+++ b/tests/Feature/WorkerProtocolContractTest.php
@@ -203,9 +203,9 @@ public function test_parallel_group_command_metadata_is_validated_and_persisted_
 
         foreach (range(0, 2) as $index) {
             $entries[] = [
-                'parallel_group_id' => 'parallel-calls:3:3',
+                'parallel_group_id' => 'parallel-calls:1:3',
                 'parallel_group_kind' => 'mixed',
-                'parallel_group_base_sequence' => 3,
+                'parallel_group_base_sequence' => 1,
                 'parallel_group_size' => 3,
                 'parallel_group_index' => $index,
             ];
diff --git a/tests/Feature/WorkerProtocolSuccessContractTest.php b/tests/Feature/WorkerProtocolSuccessContractTest.php
index 0feaddeb..9262294d 100644
--- a/tests/Feature/WorkerProtocolSuccessContractTest.php
+++ b/tests/Feature/WorkerProtocolSuccessContractTest.php
@@ -1951,7 +1951,7 @@ public function test_child_workflow_completion_resume_uses_worker_protocol_contr
             ->assertJsonPath('task.resume_source_kind', 'child_workflow_run')
             ->assertJsonPath('task.resume_source_id', $childRunId)
             ->assertJsonPath('task.child_workflow_run_id', $childRunId)
-            ->assertJsonPath('task.workflow_sequence', 3)
+            ->assertJsonPath('task.workflow_sequence', 1)
             ->assertJsonPath('task.workflow_event_type', 'ChildRunCompleted');
 
         $childCallId = $parentResumePoll->json('task.child_call_id');
diff --git a/tests/Unit/ReleaseImagePublishWorkflowContractTest.php b/tests/Unit/ReleaseImagePublishWorkflowContractTest.php
index 8f225ca8..09c89b1a 100644
--- a/tests/Unit/ReleaseImagePublishWorkflowContractTest.php
+++ b/tests/Unit/ReleaseImagePublishWorkflowContractTest.php
@@ -942,8 +942,8 @@ public function test_release_tag_source_guard_rejects_missing_wrong_and_moved_re
 
     public function test_composer_metadata_identifies_the_exact_workflow_source(): void
     {
-        $expectedVersion = '2.0.0-rc.53';
-        $expectedCommit = '62d6eabb10021e4ad72a3d813faa8e24b1c945af';
+        $expectedVersion = '2.0.0-rc.55';
+        $expectedCommit = '720512eefa0a5a97afeb410797cff8803ec76864';
         $composer = json_decode($this->read('composer.json'), true, flags: JSON_THROW_ON_ERROR);
         $lock = json_decode($this->read('composer.lock'), true, flags: JSON_THROW_ON_ERROR);
 
@@ -3223,11 +3223,11 @@ public function test_workflow_package_resolver_follows_the_composer_authority():
             $outputs = file_get_contents($outputFile);
             $this->assertNotFalse($outputs);
             $this->assertStringContainsString("source=https://github.com/durable-workflow/workflow.git\n", $outputs);
-            $this->assertStringContainsString("ref=2.0.0-rc.53\n", $outputs);
-            $this->assertStringContainsString("tag=2.0.0-rc.53\n", $outputs);
-            $this->assertStringContainsString("commit=62d6eabb10021e4ad72a3d813faa8e24b1c945af\n", $outputs);
+            $this->assertStringContainsString("ref=2.0.0-rc.55\n", $outputs);
+            $this->assertStringContainsString("tag=2.0.0-rc.55\n", $outputs);
+            $this->assertStringContainsString("commit=720512eefa0a5a97afeb410797cff8803ec76864\n", $outputs);
             $this->assertStringContainsString(
-                'Workflow package authority: 2.0.0-rc.53 at 62d6eabb10021e4ad72a3d813faa8e24b1c945af',
+                'Workflow package authority: 2.0.0-rc.55 at 720512eefa0a5a97afeb410797cff8803ec76864',
                 $result['stdout'],
             );
         } finally {
@@ -3243,15 +3243,15 @@ public function test_workflow_package_resolver_accepts_only_matching_caller_iden
         try {
             $result = $this->runScript('scripts/ci/select-compatible-workflow-package-ref.sh', [
                 'WORKFLOW_PACKAGE_SOURCE' => 'https://github.com/durable-workflow/workflow.git',
-                'WORKFLOW_PACKAGE_REF' => '2.0.0-rc.53',
-                'WORKFLOW_PACKAGE_COMMIT' => '62d6eabb10021e4ad72a3d813faa8e24b1c945af',
+                'WORKFLOW_PACKAGE_REF' => '2.0.0-rc.55',
+                'WORKFLOW_PACKAGE_COMMIT' => '720512eefa0a5a97afeb410797cff8803ec76864',
                 'GITHUB_OUTPUT' => $outputFile,
             ]);
 
             $this->assertSame(0, $result['exitCode']);
             $outputs = file_get_contents($outputFile);
             $this->assertNotFalse($outputs);
-            $this->assertStringContainsString("tag=2.0.0-rc.53\n", $outputs);
+            $this->assertStringContainsString("tag=2.0.0-rc.55\n", $outputs);
         } finally {
             @unlink($outputFile);
         }
@@ -3266,7 +3266,7 @@ public function test_workflow_package_resolver_rejects_a_stale_protocol_compatib
 
         $this->assertSame(1, $result['exitCode']);
         $this->assertStringContainsString(
-            'disagrees with the Composer Workflow package authority 2.0.0-rc.53',
+            'disagrees with the Composer Workflow package authority 2.0.0-rc.55',
             $result['stderr'],
         );
     }