diff --git a/composer.lock b/composer.lock
index 91964fe..ba4f03b 100644
--- a/composer.lock
+++ b/composer.lock
@@ -960,11 +960,11 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "2.2.1",
+            "version": "2.3.0",
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/dea9c8f2d25cc849391042b71e429c1a4bf82660",
-                "reference": "dea9c8f2d25cc849391042b71e429c1a4bf82660",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/b1f9890d9af53a25c58129e78f0aadd31f90d7f4",
+                "reference": "b1f9890d9af53a25c58129e78f0aadd31f90d7f4",
                 "shasum": ""
             },
             "require": {
@@ -1020,7 +1020,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2026-05-28T14:44:12+00:00"
+            "time": "2026-10-06T06:15:36+00:00"
         },
         {
             "name": "phpunit/php-code-coverage",
diff --git a/phpstan.neon.dist b/phpstan.neon.dist
index 4fcb690..0a0b64b 100644
--- a/phpstan.neon.dist
+++ b/phpstan.neon.dist
@@ -37,6 +37,12 @@ parameters:
     - identifier: deadCode.unreachable
     - identifier: argument.unresolvableType
     - identifier: method.unresolvableReturnType
+    # PHPStan 2.3+ also reports class_exists() on those unknown SDK classes as
+    # always false. The probes run at runtime, where the classes may exist.
+    - identifier: function.impossibleType
+      paths:
+        - ./src/Capture/class-chaining-transporter.php
+        - ./src/Capture/class-result-capturer.php
 
     # --- The WordPress 7.0 AI Client + bundled php-ai-client SDK have no
     #     PHPStan stubs yet; all access is runtime-guarded. ---