diff --git a/CHANGELOG.md b/CHANGELOG.md
index 143dc05..ddd2c0c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## 0.5.2
+
+- Bumped `Version::API_SPEC_VERSION` to the Apify OpenAPI spec `v2-2026-08-14T072928Z`. This
+  version formally adds `Task.isPublic`/`publicConfig` and the `TaskPublicConfig` schema to the
+  spec; this client already implemented them in `0.4.0`, ahead of the spec, for parity with the
+  reference JS client. No client code or public interface change.
+
 ## 0.5.1
 
 - Corrected the write-permission wording on `TaskClient::publish()`/`unpublish()`: the OpenAPI spec
diff --git a/src/Version.php b/src/Version.php
index efde3e8..ca317b2 100644
--- a/src/Version.php
+++ b/src/Version.php
@@ -17,13 +17,13 @@ final class Version
      * The semantic version of this client library (see https://semver.org/).
      * Changes to the public interface other than additive ones are considered breaking changes.
      */
-    public const CLIENT_VERSION = '0.5.1';
+    public const CLIENT_VERSION = '0.5.2';
 
     /**
      * The version of the Apify OpenAPI specification this client was generated and verified
      * against. Corresponds to the {@code info.version} field of the Apify OpenAPI document.
      */
-    public const API_SPEC_VERSION = 'v2-2026-08-05T133145Z';
+    public const API_SPEC_VERSION = 'v2-2026-08-14T072928Z';
 
     private function __construct()
     {