diff -Nru php-net-ldap3-1.1.3/debian/changelog php-net-ldap3-1.1.4/debian/changelog
--- php-net-ldap3-1.1.3/debian/changelog	2021-01-05 08:42:08.000000000 +0000
+++ php-net-ldap3-1.1.4/debian/changelog	2021-11-18 16:52:25.000000000 +0000
@@ -1,3 +1,11 @@
+php-net-ldap3 (1.1.4-1) unstable; urgency=medium
+
+  * New upstream release with PHP 8.1 compatibility.
+  * Refresh patches.
+  * Bump Standards-Version to 4.6.0 (no change necessary).
+
+ -- Guilhem Moulin <guilhem@debian.org>  Thu, 18 Nov 2021 17:52:25 +0100
+
 php-net-ldap3 (1.1.3-3) unstable; urgency=medium
 
   * Add d/salsa-ci.yml file for GitLab CI.
diff -Nru php-net-ldap3-1.1.3/debian/control php-net-ldap3-1.1.4/debian/control
--- php-net-ldap3-1.1.3/debian/control	2021-01-05 08:42:08.000000000 +0000
+++ php-net-ldap3-1.1.4/debian/control	2021-11-18 16:52:25.000000000 +0000
@@ -5,7 +5,7 @@
 Uploaders: Vincent Bernat <bernat@debian.org>,
            Guilhem Moulin <guilhem@debian.org>
 Build-Depends: debhelper-compat (= 13), pkg-php-tools (>= 1.7~)
-Standards-Version: 4.5.1
+Standards-Version: 4.6.0
 Vcs-Git: https://salsa.debian.org/php-team/pear/php-net-ldap3.git
 Vcs-Browser: https://salsa.debian.org/php-team/pear/php-net-ldap3
 Homepage: https://git.kolab.org/diffusion/PNL/
diff -Nru php-net-ldap3-1.1.3/debian/patches/update-composer.patch php-net-ldap3-1.1.4/debian/patches/update-composer.patch
--- php-net-ldap3-1.1.3/debian/patches/update-composer.patch	2021-01-05 08:42:08.000000000 +0000
+++ php-net-ldap3-1.1.4/debian/patches/update-composer.patch	2021-11-18 16:52:25.000000000 +0000
@@ -1,17 +1,19 @@
-Author: Guilhem Moulin <guilhem@debian.org>
-Date:   Sun Dec 13 21:03:34 2020 +0100
+From: Guilhem Moulin <guilhem@debian.org>
+Date: Sun, 13 Dec 2020 21:03:34 +0100
+Subject: Update PHP pear dependencies
+
 Forwarded: not-needed
-Description: Update PHP pear dependencies
- Restore pear-pear/ prefix to create proper package dependencies.
 
-    Revert "Use packagist as a source of Net_LDAP2 package"
-    
-    This reverts commit 51afe33906e1c9f5cf0811271b29b08c615c95ce.
+Restore pear-pear/ prefix to create proper package dependencies.
 
+This reverts commit 51afe33906e1c9f5cf0811271b29b08c615c95ce "Use
+packagist as a source of Net_LDAP2 package".
 ---
- composer.json |    8 +++++++-
+ composer.json | 8 +++++++-
  1 file changed, 7 insertions(+), 1 deletion(-)
 
+diff --git a/composer.json b/composer.json
+index 35b2f3b..4a887a3 100644
 --- a/composer.json
 +++ b/composer.json
 @@ -22,9 +22,15 @@
diff -Nru php-net-ldap3-1.1.3/lib/Net/LDAP3/Result.php php-net-ldap3-1.1.4/lib/Net/LDAP3/Result.php
--- php-net-ldap3-1.1.3/lib/Net/LDAP3/Result.php	2019-10-21 11:18:59.000000000 +0000
+++ php-net-ldap3-1.1.4/lib/Net/LDAP3/Result.php	2021-11-11 09:02:56.000000000 +0000
@@ -147,6 +147,7 @@
 
     /***  Implement PHP 5 Iterator interface to make foreach work  ***/
 
+    #[ReturnTypeWillChange]
     function current()
     {
         $attrib       = ldap_get_attributes($this->conn, $this->current);
@@ -155,25 +156,29 @@
         return $attrib;
     }
 
+    #[ReturnTypeWillChange]
     function key()
     {
         return $this->iteratorkey;
     }
 
+    #[ReturnTypeWillChange]
     function rewind()
     {
         $this->iteratorkey = 0;
         $this->current = ldap_first_entry($this->conn, $this->result);
     }
 
+    #[ReturnTypeWillChange]
     function next()
     {
         $this->iteratorkey++;
         $this->current = ldap_next_entry($this->conn, $this->current);
     }
 
+    #[ReturnTypeWillChange]
     function valid()
     {
-        return (bool)$this->current;
+        return (bool) $this->current;
     }
 }
diff -Nru php-net-ldap3-1.1.3/lib/Net/LDAP3.php php-net-ldap3-1.1.4/lib/Net/LDAP3.php
--- php-net-ldap3-1.1.3/lib/Net/LDAP3.php	2019-10-21 11:18:59.000000000 +0000
+++ php-net-ldap3-1.1.4/lib/Net/LDAP3.php	2021-11-11 09:02:56.000000000 +0000
@@ -600,7 +600,7 @@
             return false;
         }
 
-        if (is_resource($this->conn)) {
+        if (isset($this->conn) && $this->conn !== false) {
             $this->_debug("Connection already exists");
             return true;
         }
@@ -644,7 +644,7 @@
             $this->_debug("S: NOT OK");
         }
 
-        if (!is_resource($this->conn)) {
+        if (!isset($this->conn) || $this->conn === false) {
             $this->_error("Could not connect to LDAP");
             return false;
         }
@@ -2372,7 +2372,7 @@
         if (is_array($attributes['rename']) && !empty($attributes['rename'])) {
             $olddn      = $attributes['rename']['dn'];
             $newrdn     = $attributes['rename']['new_rdn'];
-            $new_parent = $attributes['rename']['new_parent'];
+            $new_parent = isset($attributes['rename']['new_parent']) ? $attributes['rename']['new_parent'] : null;
 
             $this->_debug("C: Rename $olddn to $newrdn,$new_parent");