diff --git a/CHANGELOG.md b/CHANGELOG.md
index 121518180..6f0ed0364 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -22,6 +22,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 * Added support for custom key to IpRange and GeoDistance `addRange` using a common trait [#2227](https://github.com/ruflin/Elastica/pull/2227)
 * Added bucket sort aggregation [#2229](https://github.com/ruflin/Elastica/pull/2229)
 
+### Changed
+* Add support for Search Option "seq_no_primary_term" and Index Options "if_primary_term" and "if_seq_no" [#2234](https://github.com/ruflin/Elastica/pull/2234)
+
 ### Fixed
 * Fixed Pipeline Processor handling to allow for multiple processors of the same type [#2218](https://github.com/ruflin/Elastica/pull/2218)
 
diff --git a/src/Index.php b/src/Index.php
index fc7584e3c..395bcde03 100644
--- a/src/Index.php
+++ b/src/Index.php
@@ -217,6 +217,8 @@ public function addDocument(Document $doc): Response
                 'retry_on_conflict',
                 'routing',
                 'timeout',
+                'if_primary_term',
+                'if_seq_no',
             ]
         );
 
diff --git a/src/Search.php b/src/Search.php
index 03911aea5..79ccaf6af 100644
--- a/src/Search.php
+++ b/src/Search.php
@@ -41,6 +41,7 @@ class Search
     public const OPTION_SHARD_REQUEST_CACHE = 'request_cache';
     public const OPTION_FILTER_PATH = 'filter_path';
     public const OPTION_TYPED_KEYS = 'typed_keys';
+    public const OPTION_SEQ_NO_PRIMARY_TERM = 'seq_no_primary_term';
 
     /*
      * Search types
@@ -419,6 +420,7 @@ protected function validateOption(string $key): void
             case self::OPTION_SHARD_REQUEST_CACHE:
             case self::OPTION_FILTER_PATH:
             case self::OPTION_TYPED_KEYS:
+            case self::OPTION_SEQ_NO_PRIMARY_TERM:
                 return;
         }