diff --git a/src/Worker/FeatureFlags.php b/src/Worker/FeatureFlags.php
index 14705fe36..27a51ad2d 100644
--- a/src/Worker/FeatureFlags.php
+++ b/src/Worker/FeatureFlags.php
@@ -85,7 +85,7 @@ final class FeatureFlags
      * timeout. FALSE (default) keeps the old behavior so existing histories stay replay-compatible.
      *
      * @experimental
-     * @since SDK 2.18.0
+     * @since SDK 2.19.0
      * @link https://github.com/temporalio/sdk-php/issues/399
      */
     public static bool $settleAwaitOnFirstSettledCondition = false;
@@ -97,7 +97,7 @@ final class FeatureFlags
      *
      * Set to FALSE to keep the previous behavior, where the command is created.
      *
-     * @since SDK 2.18.0
+     * @since SDK 2.20.0
      */
     public static bool $readOnlyWorkflowCallbacks = true;
 }