diff --git a/README.md b/README.md
index aa277f24..87f35db2 100644
--- a/README.md
+++ b/README.md
@@ -42,7 +42,7 @@ all three runtimes and the artifact versions used for the run.
 The qualified tuple in
 [`polyglot/qualified-artifact-tuple.json`](polyglot/qualified-artifact-tuple.json)
 pins every published artifact the journeys use: native Durable Workflow Server
-3.0.5 (by image digest), Workflow 2.20.1, Waterline 2.13.2, PHP SDK 3.9.1,
+3.0.5 (by image digest), Workflow 2.20.1, Waterline 2.13.2, PHP SDK 3.9.4,
 Python SDK 2.13.0, Rust SDK 4.10.3 and CLI 2.3.3. `artifacts.workflow` selects
 the embedded application's Composer package; the Composer lock must match it.
 Native Server is one process that creates its schema and `default` namespace
diff --git a/composer.json b/composer.json
index 5318585d..afc399b0 100644
--- a/composer.json
+++ b/composer.json
@@ -11,7 +11,7 @@
     "require": {
         "php": "^8.4",
         "durable-workflow/ai": "dev-main",
-        "durable-workflow/sdk": "^3.9.1",
+        "durable-workflow/sdk": "^3.9.4",
         "durable-workflow/waterline": "^2.0",
         "durable-workflow/workflow": "^2.20.1",
         "laravel/ai": "^0.6.0",
diff --git a/composer.lock b/composer.lock
index d04cc0ea..c4456a5d 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": "f0814b9eafcdfbcc1945c50df8098196",
+    "content-hash": "a9b8086ae4083a8a66acd5685d4d44f9",
     "packages": [
         {
             "name": "apache/avro",
@@ -720,16 +720,16 @@
         },
         {
             "name": "durable-workflow/sdk",
-            "version": "3.9.1",
+            "version": "3.9.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/durable-workflow/sdk-php.git",
-                "reference": "e4d77aade4ddc02eb0ba40f827709b8b4817725e"
+                "reference": "11085f0c624674a4b70d3a6fb3e83eaff3869fcb"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/durable-workflow/sdk-php/zipball/e4d77aade4ddc02eb0ba40f827709b8b4817725e",
-                "reference": "e4d77aade4ddc02eb0ba40f827709b8b4817725e",
+                "url": "https://api.github.com/repos/durable-workflow/sdk-php/zipball/11085f0c624674a4b70d3a6fb3e83eaff3869fcb",
+                "reference": "11085f0c624674a4b70d3a6fb3e83eaff3869fcb",
                 "shasum": ""
             },
             "require": {
@@ -781,7 +781,7 @@
                         "laravel": "^10.50.4|^11.56.1|^12.69.0|^13.30.0",
                         "symfony": "^6.4|^7.0|^8.0"
                     },
-                    "product-train": "3.9.1",
+                    "product-train": "3.9.4",
                     "payload-codecs": [
                         "avro"
                     ],
@@ -851,8 +851,8 @@
                 "issues": "https://github.com/durable-workflow/sdk-php/issues",
                 "source": "https://github.com/durable-workflow/sdk-php"
             },
-            "time": "2026-11-04T02:37:04+00:00",
-            "published-time": "2026-11-04T02:37:27+00:00"
+            "time": "2026-11-04T05:28:03+00:00",
+            "published-time": "2026-11-04T05:28:17+00:00"
         },
         {
             "name": "durable-workflow/waterline",
diff --git a/microservice/composer.json b/microservice/composer.json
index 41be7b9d..31a06b0d 100644
--- a/microservice/composer.json
+++ b/microservice/composer.json
@@ -10,7 +10,7 @@
     "license": "MIT",
     "require": {
         "php": "^8.4",
-        "durable-workflow/sdk": "^3.9.1",
+        "durable-workflow/sdk": "^3.9.4",
         "durable-workflow/workflow": "^2.20.1",
         "durable-workflow/waterline": "^2.0",
         "laravel/framework": "^12.69",
diff --git a/microservice/composer.lock b/microservice/composer.lock
index 35c528ac..690b59ce 100644
--- a/microservice/composer.lock
+++ b/microservice/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": "e8f09bfe6ba2d5b90cfbdcebbe644d23",
+    "content-hash": "640a15ace917897880755cb8e0293ba2",
     "packages": [
         {
             "name": "apache/avro",
@@ -505,16 +505,16 @@
         },
         {
             "name": "durable-workflow/sdk",
-            "version": "3.9.1",
+            "version": "3.9.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/durable-workflow/sdk-php.git",
-                "reference": "e4d77aade4ddc02eb0ba40f827709b8b4817725e"
+                "reference": "11085f0c624674a4b70d3a6fb3e83eaff3869fcb"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/durable-workflow/sdk-php/zipball/e4d77aade4ddc02eb0ba40f827709b8b4817725e",
-                "reference": "e4d77aade4ddc02eb0ba40f827709b8b4817725e",
+                "url": "https://api.github.com/repos/durable-workflow/sdk-php/zipball/11085f0c624674a4b70d3a6fb3e83eaff3869fcb",
+                "reference": "11085f0c624674a4b70d3a6fb3e83eaff3869fcb",
                 "shasum": ""
             },
             "require": {
@@ -566,7 +566,7 @@
                         "laravel": "^10.50.4|^11.56.1|^12.69.0|^13.30.0",
                         "symfony": "^6.4|^7.0|^8.0"
                     },
-                    "product-train": "3.9.1",
+                    "product-train": "3.9.4",
                     "payload-codecs": [
                         "avro"
                     ],
@@ -636,8 +636,8 @@
                 "issues": "https://github.com/durable-workflow/sdk-php/issues",
                 "source": "https://github.com/durable-workflow/sdk-php"
             },
-            "time": "2026-11-04T02:37:04+00:00",
-            "published-time": "2026-11-04T02:37:27+00:00"
+            "time": "2026-11-04T05:28:03+00:00",
+            "published-time": "2026-11-04T05:28:17+00:00"
         },
         {
             "name": "durable-workflow/waterline",
diff --git a/playground/php-runtime/composer.json b/playground/php-runtime/composer.json
index c2a61722..92c730cc 100644
--- a/playground/php-runtime/composer.json
+++ b/playground/php-runtime/composer.json
@@ -6,7 +6,7 @@
     "license": "MIT",
     "require": {
         "php": "^8.4",
-        "durable-workflow/sdk": "^3.9.1"
+        "durable-workflow/sdk": "^3.9.4"
     },
     "config": {
         "allow-plugins": false,
diff --git a/playground/php-runtime/composer.lock b/playground/php-runtime/composer.lock
index ed0497f3..cc787232 100644
--- a/playground/php-runtime/composer.lock
+++ b/playground/php-runtime/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": "0bbb9bdb7acc5fd5f16bf5bae61c8e22",
+    "content-hash": "53d58b4b6598a1f6311305b40312b9d9",
     "packages": [
         {
             "name": "apache/avro",
@@ -145,16 +145,16 @@
         },
         {
             "name": "durable-workflow/sdk",
-            "version": "3.9.1",
+            "version": "3.9.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/durable-workflow/sdk-php.git",
-                "reference": "e4d77aade4ddc02eb0ba40f827709b8b4817725e"
+                "reference": "11085f0c624674a4b70d3a6fb3e83eaff3869fcb"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/durable-workflow/sdk-php/zipball/e4d77aade4ddc02eb0ba40f827709b8b4817725e",
-                "reference": "e4d77aade4ddc02eb0ba40f827709b8b4817725e",
+                "url": "https://api.github.com/repos/durable-workflow/sdk-php/zipball/11085f0c624674a4b70d3a6fb3e83eaff3869fcb",
+                "reference": "11085f0c624674a4b70d3a6fb3e83eaff3869fcb",
                 "shasum": ""
             },
             "require": {
@@ -206,7 +206,7 @@
                         "laravel": "^10.50.4|^11.56.1|^12.69.0|^13.30.0",
                         "symfony": "^6.4|^7.0|^8.0"
                     },
-                    "product-train": "3.9.1",
+                    "product-train": "3.9.4",
                     "payload-codecs": [
                         "avro"
                     ],
@@ -276,8 +276,8 @@
                 "issues": "https://github.com/durable-workflow/sdk-php/issues",
                 "source": "https://github.com/durable-workflow/sdk-php"
             },
-            "time": "2026-11-04T02:37:04+00:00",
-            "published-time": "2026-11-04T02:37:27+00:00"
+            "time": "2026-11-04T05:28:03+00:00",
+            "published-time": "2026-11-04T05:28:17+00:00"
         },
         {
             "name": "guzzlehttp/guzzle",
diff --git a/polyglot/qualified-artifact-tuple.json b/polyglot/qualified-artifact-tuple.json
index 06175dab..4929fa92 100644
--- a/polyglot/qualified-artifact-tuple.json
+++ b/polyglot/qualified-artifact-tuple.json
@@ -5,7 +5,7 @@
   "serverImage": "durableworkflow/server:3.0.5@sha256:3cb6e5bf8ec766ac2abd933369b40a77af62794b6d7b921ce21d3fb263e88b72",
   "artifacts": {
     "cli": "2.3.3",
-    "sdk-php": "3.9.1",
+    "sdk-php": "3.9.4",
     "sdk-python": "2.13.0",
     "sdk-rust": "4.10.3",
     "server": "3.0.5",
diff --git a/tests/Feature/Workflows/ServiceMode/ConversationWorkflowTest.php b/tests/Feature/Workflows/ServiceMode/ConversationWorkflowTest.php
index 1558b13e..7985e5f2 100644
--- a/tests/Feature/Workflows/ServiceMode/ConversationWorkflowTest.php
+++ b/tests/Feature/Workflows/ServiceMode/ConversationWorkflowTest.php
@@ -9,6 +9,7 @@
 use App\Workflows\ServiceMode\Conversation\ConversationActivities;
 use App\Workflows\ServiceMode\Conversation\ConversationWorkflow;
 use App\Workflows\ServiceMode\WelcomeWorkflow;
+use DateTimeImmutable;
 use DurableWorkflow\Bridge\Laravel\WorkerFactory;
 use DurableWorkflow\Client;
 use DurableWorkflow\Codec\AvroPayloadCodec;
@@ -50,6 +51,8 @@ final class ConversationWorkflowTest extends TestCase
 
     private int $nextSequence = 1;
 
+    private DateTimeImmutable $clock;
+
     /** @var array{type: string, value: mixed}|null */
     private ?array $closed = null;
 
@@ -163,6 +166,71 @@ public function test_undecided_proposal_changes_nothing_after_its_timeout(): voi
         $this->assertSame(0, ConversationRecord::query()->where('kind', 'action')->count());
     }
 
+    public function test_a_wrong_decision_keeps_the_five_minute_approval_deadline(): void
+    {
+        $this->start([]);
+        $this->signal('message', 'Please refund my order');
+        $this->assertSame(300, $this->lastEvent('ConditionWaitOpened')['timeout_seconds']);
+
+        // Any signal wakes the open wait. The predicate is still false, so the
+        // worker reopens the wait with the time left, not another five minutes.
+        $this->advance(120);
+        $this->signal('decision', 'not-this-proposal', true, 'Stale');
+        $reopened = $this->lastEvent('ConditionWaitOpened');
+        $this->assertSame('decision-1', $reopened['condition_key']);
+        $this->assertSame(180, $reopened['timeout_seconds']);
+
+        $this->advance(150);
+        $this->signal('decision', 'still-not-this-proposal', true, 'Stale');
+        $this->assertSame(30, $this->lastEvent('ConditionWaitOpened')['timeout_seconds']);
+
+        $this->advance(30);
+        $this->timeOutOpenWait();
+
+        $this->assertSame(
+            ['Turn 1: I can refund the most recent order once a reviewer approves. No decision arrived in time, so nothing was changed.'],
+            $this->replies(),
+        );
+    }
+
+    public function test_an_orphaned_duplicate_wait_timing_out_does_not_break_replay(): void
+    {
+        $this->start([]);
+        $this->signal('message', 'Please refund my order');
+        $orphan = $this->lastEvent('ConditionWaitOpened');
+
+        // A second queued workflow task replays to the open wait and sends it
+        // again. Native Server 3.0.x opens another wait and leaves the first
+        // one, with its timer, unresolved (sdk-php#283).
+        $this->duplicateOpen();
+        $this->assertNotSame($orphan['sequence'], $this->lastEvent('ConditionWaitOpened')['sequence']);
+
+        $this->advance(120);
+        $this->signal('decision', 'not-this-proposal', true, 'Stale');
+        $this->assertSame(180, $this->lastEvent('ConditionWaitOpened')['timeout_seconds']);
+
+        // The orphan's timer fires at its own five minutes. Replay must keep
+        // treating it as the same logical wait instead of failing.
+        $this->advance(180);
+        $this->record('TimerFired', [
+            'sequence' => $orphan['sequence'],
+            'timer_kind' => 'condition_timeout',
+            'condition_key' => $orphan['condition_key'],
+            'condition_wait_id' => $orphan['condition_wait_id'],
+            'condition_definition_fingerprint' => $orphan['condition_definition_fingerprint'],
+            'delay_seconds' => 300,
+        ]);
+        $this->process();
+        $this->assertNull($this->closed);
+
+        $this->timeOutOpenWait();
+
+        $this->assertSame(
+            ['Turn 1: I can refund the most recent order once a reviewer approves. No decision arrived in time, so nothing was changed.'],
+            $this->replies(),
+        );
+    }
+
     public function test_conversation_ends_after_the_inactivity_timeout(): void
     {
         $this->start([]);
@@ -227,6 +295,7 @@ private function start(array $input): void
     {
         $this->history = [];
         $this->nextSequence = 1;
+        $this->clock = new DateTimeImmutable('2026-11-04T02:36:05.295+00:00');
         $this->closed = null;
         $this->input = $input;
         $this->process();
@@ -235,7 +304,29 @@ private function start(array $input): void
     private function signal(string $name, mixed ...$arguments): void
     {
         $this->record('SignalReceived', ['signal_name' => $name, 'value' => $this->codec->envelope($arguments)]);
-        $this->process();
+        $this->process(woken: true);
+    }
+
+    /**
+     * Replays the history again with nothing new, as a second queued task
+     * would, and records the wait it sends as a new open.
+     */
+    private function duplicateOpen(): void
+    {
+        $commands = $this->harness->runWorkflow(
+            ConversationWorkflow::TYPE,
+            $this->input,
+            $this->history,
+            ['workflow_id' => self::WORKFLOW_ID, 'run_id' => self::RUN_ID],
+        )->commands;
+
+        $this->assertSame('open_condition_wait', $commands[0]['type'] ?? null);
+        $this->apply($commands[0]);
+    }
+
+    private function advance(int $seconds): void
+    {
+        $this->clock = $this->clock->modify("+{$seconds} seconds");
     }
 
     private function timeOutOpenWait(): void
@@ -248,8 +339,12 @@ private function timeOutOpenWait(): void
 
     /**
      * Runs workflow tasks until the workflow waits or closes.
+     *
+     * After a signal, a worker whose predicate is still false sends the open
+     * wait again. Native Server then records the old wait satisfied and opens
+     * a new one with the timeout the worker sent.
      */
-    private function process(): void
+    private function process(bool $woken = false): void
     {
         for ($task = 0; $task < 50 && $this->closed === null; $task++) {
             $commands = $this->harness->runWorkflow(
@@ -266,6 +361,11 @@ private function process(): void
                     && $commands[0]['condition_key'] === $wait['condition_key'];
 
                 if ($stillWaiting) {
+                    if ($woken) {
+                        $this->record('ConditionWaitSatisfied', ['sequence' => $wait['sequence'], 'condition_wait_id' => $wait['condition_wait_id']]);
+                        $this->apply($commands[0]);
+                    }
+
                     return;
                 }
 
@@ -333,7 +433,11 @@ private function apply(array $command): void
      */
     private function record(string $type, array $payload): void
     {
-        $this->history[] = ['event_type' => $type, 'payload' => $payload];
+        $this->history[] = [
+            'event_type' => $type,
+            'timestamp' => $this->clock->format('Y-m-d\\TH:i:s.uP'),
+            'payload' => $payload,
+        ];
     }
 
     /**