diff --git a/dictionaries/CallMap.php b/dictionaries/CallMap.php
index 9549b6b53..23c454b35 100644
--- a/dictionaries/CallMap.php
+++ b/dictionaries/CallMap.php
@@ -2,7 +2,7 @@
 namespace Phan\Language\Internal;
 
 /**
- * CURRENT PHP TARGET VERSION: 8.2
+ * CURRENT PHP TARGET VERSION: 8.3
  * The version above has to match Psalm\Internal\Codebase\InternalCallMapHandler::PHP_(MAJOR|MINOR)_VERSION
  *
  * Format
@@ -2951,7 +2951,7 @@ return [
 'gc_enable' => ['void'],
 'gc_enabled' => ['bool'],
 'gc_mem_caches' => ['int'],
-'gc_status' => ['array{runs:int,collected:int,threshold:int,roots:int}'],
+'gc_status' => ['array{runs:int,collected:int,threshold:int,roots:int,running:bool,protected:bool,full:bool,buffer_size:int}'],
 'gd_info' => ['array'],
 'gearman_bugreport' => [''],
 'gearman_client_add_options' => ['', 'client_object'=>'', 'option'=>''],
@@ -6162,6 +6162,7 @@ return [
 'json_encode' => ['non-empty-string|false', 'value'=>'mixed', 'flags='=>'int', 'depth='=>'int'],
 'json_last_error' => ['int'],
 'json_last_error_msg' => ['string'],
+'json_validate' => ['bool', 'json'=>'string', 'depth='=>'positive-int', 'flags='=>'int'],
 'JsonException::__clone' => ['void'],
 'JsonException::__construct' => ['void'],
 'JsonException::__toString' => ['string'],
diff --git a/dictionaries/CallMap_83_delta.php b/dictionaries/CallMap_83_delta.php
new file mode 100644
index 000000000..2d27020dd
--- /dev/null
+++ b/dictionaries/CallMap_83_delta.php
@@ -0,0 +1,32 @@
+<?php // phpcs:ignoreFile
+
+/**
+ * This contains the information needed to convert the function signatures for php 8.3 to php 8.2 (and vice versa)
+ *
+ * This file has three sections.
+ * The 'added' section contains function/method names from FunctionSignatureMap (And alternates, if applicable) that do not exist in php 8.2
+ * The 'removed' section contains the signatures that were removed in php 8.3
+ * The 'changed' section contains functions for which the signature has changed for php 8.3.
+ *     Each function in the 'changed' section has an 'old' and a 'new' section,
+ *     representing the function as it was in PHP 8.2 and in PHP 8.3, respectively
+ *
+ * @see CallMap.php
+ * @see https://php.watch/versions/8.3
+ *
+ * @phan-file-suppress PhanPluginMixedKeyNoKey (read by Phan when analyzing this file)
+ */
+return [
+  'added' => [
+    'json_validate' => ['bool', 'json'=>'string', 'depth='=>'positive-int', 'flags='=>'int'],
+  ],
+
+  'changed' => [
+    'gc_status' => [
+      'old' => ['array{runs:int,collected:int,threshold:int,roots:int}'],
+      'new' => ['array{runs:int,collected:int,threshold:int,roots:int,running:bool,protected:bool,full:bool,buffer_size:int}'],
+    ],
+  ],
+
+  'removed' => [
+  ],
+];
diff --git a/src/Psalm/Internal/Codebase/InternalCallMapHandler.php b/src/Psalm/Internal/Codebase/InternalCallMapHandler.php
index f25840dc1..f0cf35261 100644
--- a/src/Psalm/Internal/Codebase/InternalCallMapHandler.php
+++ b/src/Psalm/Internal/Codebase/InternalCallMapHandler.php
@@ -36,7 +36,7 @@ use function version_compare;
 class InternalCallMapHandler
 {
     private const PHP_MAJOR_VERSION = 8;
-    private const PHP_MINOR_VERSION = 2;
+    private const PHP_MINOR_VERSION = 3;
     private const LOWEST_AVAILABLE_DELTA = 71;
 
     private static ?int $loaded_php_major_version = null;