diff --git a/PhpStormStubsMap.php b/PhpStormStubsMap.php
index 1692e74a1..eee7e5940 100644
--- a/PhpStormStubsMap.php
+++ b/PhpStormStubsMap.php
@@ -662,6 +662,9 @@ final class PhpStormStubsMap
   'LuaSandboxRuntimeError' => 'LuaSandbox/LuaSandbox.php',
   'LuaSandboxSyntaxError' => 'LuaSandbox/LuaSandbox.php',
   'LuaSandboxTimeoutError' => 'LuaSandbox/LuaSandbox.php',
+  'MaxMind\\Db\\InvalidDatabaseException' => 'maxminddb/maxminddb.php',
+  'MaxMind\\Db\\Metadata' => 'maxminddb/maxminddb.php',
+  'MaxMind\\Db\\Reader' => 'maxminddb/maxminddb.php',
   'Memcache' => 'memcache/memcache.php',
   'MemcachePool' => 'memcache/memcache.php',
   'Memcached' => 'memcached/memcached.php',
diff --git a/maxminddb/maxminddb.php b/maxminddb/maxminddb.php
new file mode 100644
index 000000000..e8c052e49
--- /dev/null
+++ b/maxminddb/maxminddb.php
@@ -0,0 +1,167 @@
+<?php
+
+namespace MaxMind\Db;
+
+/**
+ * Instances of this class provide a reader for the MaxMind DB format. IP
+ * addresses can be looked up using the get method.
+ */
+class Reader
+{
+    /**
+     * Constructs a Reader for the MaxMind DB format. The file passed to it must
+     * be a valid MaxMind DB file such as a GeoIp2 database file.
+     *
+     * @param string $database the MaxMind DB file to use
+     *
+     * @throws \InvalidArgumentException for invalid database path or unknown arguments
+     * @throws InvalidDatabaseException
+     *                                   if the database is invalid or there is an error reading
+     *                                   from it
+     */
+    public function __construct(string $database) {}
+
+    /**
+     * Retrieves the record for the IP address.
+     *
+     * @param string $ipAddress the IP address to look up
+     *
+     * @return mixed the record for the IP address
+     * @throws \InvalidArgumentException if something other than a single IP address is passed to the method
+     * @throws InvalidDatabaseException
+     *                                   if the database is invalid or there is an error reading
+     *                                   from it
+     *
+     * @throws \BadMethodCallException   if this method is called on a closed database
+     */
+    public function get(string $ipAddress): mixed {}
+
+    /**
+     * Retrieves the record for the IP address and its associated network prefix length.
+     *
+     * @param string $ipAddress the IP address to look up
+     *
+     * @return array{0:mixed, 1:int} an array where the first element is the record and the
+     *                               second the network prefix length for the record
+     * @throws \InvalidArgumentException if something other than a single IP address is passed to the method
+     * @throws InvalidDatabaseException
+     *                                   if the database is invalid or there is an error reading
+     *                                   from it
+     *
+     * @throws \BadMethodCallException   if this method is called on a closed database
+     */
+    public function getWithPrefixLen(string $ipAddress): array {}
+
+    /**
+     * @return Metadata object for the database
+     * @throws \BadMethodCallException   if the database has been closed
+     *
+     * @throws \InvalidArgumentException if arguments are passed to the method
+     */
+    public function metadata(): Metadata {}
+
+    /**
+     * Closes the MaxMind DB and returns resources to the system.
+     *
+     * @throws \Exception
+     *                    if an I/O error occurs
+     */
+    public function close(): void {}
+}
+
+/**
+ * This class should be thrown when unexpected data is found in the database.
+ */
+class InvalidDatabaseException extends \Exception {}
+
+/**
+ * This class provides the metadata for the MaxMind DB file.
+ */
+class Metadata
+{
+    /**
+     * This is an unsigned 16-bit integer indicating the major version number
+     * for the database's binary format.
+     *
+     * @var int
+     */
+    public int $binaryFormatMajorVersion;
+
+    /**
+     * This is an unsigned 16-bit integer indicating the minor version number
+     * for the database's binary format.
+     *
+     * @var int
+     */
+    public int $binaryFormatMinorVersion;
+
+    /**
+     * This is an unsigned 64-bit integer that contains the database build
+     * timestamp as a Unix epoch value.
+     *
+     * @var int
+     */
+    public int $buildEpoch;
+
+    /**
+     * This is a string that indicates the structure of each data record
+     * associated with an IP address.  The actual definition of these
+     * structures is left up to the database creator.
+     *
+     * @var string
+     */
+    public string $databaseType;
+
+    /**
+     * This key will always point to a map (associative array). The keys of
+     * that map will be language codes, and the values will be a description
+     * in that language as a UTF-8 string. May be undefined for some
+     * databases.
+     *
+     * @var array<string, string>
+     */
+    public array $description;
+
+    /**
+     * This is an unsigned 16-bit integer which is always 4 or 6. It indicates
+     * whether the database contains IPv4 or IPv6 address data.
+     *
+     * @var int
+     */
+    public int $ipVersion;
+
+    /**
+     * An array of strings, each of which is a language code. A given record
+     * may contain data items that have been localized to some or all of
+     * these languages. This may be undefined.
+     *
+     * @var array<string>
+     */
+    public array $languages;
+
+    /**
+     * @var int
+     */
+    public int $nodeByteSize;
+
+    /**
+     * This is an unsigned 32-bit integer indicating the number of nodes in
+     * the search tree.
+     *
+     * @var int
+     */
+    public int $nodeCount;
+
+    /**
+     * This is an unsigned 16-bit integer. It indicates the number of bits in a
+     * record in the search tree. Note that each node consists of two records.
+     *
+     * @var int
+     */
+    public int $recordSize;
+
+    /**
+     * @var int
+     */
+    public int $searchTreeSize;
+}
diff --git a/tests/TestData/Providers/Stubs/PhpCoreStubsProvider.php b/tests/TestData/Providers/Stubs/PhpCoreStubsProvider.php
index 02b5f9b2e..08591829d 100644
--- a/tests/TestData/Providers/Stubs/PhpCoreStubsProvider.php
+++ b/tests/TestData/Providers/Stubs/PhpCoreStubsProvider.php
@@ -117,6 +117,7 @@ class PhpCoreStubsProvider
             'libevent',
             'LuaSandbox',
             'lzf',
+            'maxminddb',
             'mailparse',
             'memcache',
             'memcached',