diff --git a/types/algoliasearch/algoliasearch-tests.ts b/types/algoliasearch/algoliasearch-tests.ts
index f816dd8506..cbd98d253a 100644
--- a/types/algoliasearch/algoliasearch-tests.ts
+++ b/types/algoliasearch/algoliasearch-tests.ts
@@ -137,7 +137,7 @@ let _algoliaQueryParameters: QueryParameters = {
   removeStopWords: [''],
   disableExactOnAttributes: [''],
   exactOnSingleWordQuery: 'attribute',
-  alternativesAsExact: [],
+  alternativesAsExact: ["ignorePlurals"],
   distinct: 0,
   getRankingInfo: false,
   numericAttributesToIndex: [''],
diff --git a/types/algoliasearch/index.d.ts b/types/algoliasearch/index.d.ts
index cd8c0bdf87..081ea5aeab 100644
--- a/types/algoliasearch/index.d.ts
+++ b/types/algoliasearch/index.d.ts
@@ -1373,7 +1373,7 @@ declare namespace algoliasearch {
      * 'multiWordsSynonym': multiple-words synonym
      * https://www.algolia.com/doc/api-reference/api-parameters/alternativesAsExact/
      */
-    alternativesAsExact?: string[];
+    alternativesAsExact?: Array<"ignorePlurals"|"singleWordSynonym"|"multiWordsSynonym">;
     /**
      * If set to 1, enables the distinct feature, disabled by default, if the attributeForDistinct index setting is set.
      * https://www.algolia.com/doc/api-reference/api-parameters/distinct/
diff --git a/types/algoliasearch/lite/index.d.ts b/types/algoliasearch/lite/index.d.ts
index 14da74a919..95f2e17faf 100644
--- a/types/algoliasearch/lite/index.d.ts
+++ b/types/algoliasearch/lite/index.d.ts
@@ -452,7 +452,7 @@ declare namespace algoliasearch {
      * 'multiWordsSynonym': multiple-words synonym
      * https://www.algolia.com/doc/api-reference/api-parameters/alternativesAsExact/
      */
-    alternativesAsExact?: string[];
+    alternativesAsExact?: Array<"ignorePlurals"|"singleWordSynonym"|"multiWordsSynonym">;
     /**
      * If set to 1, enables the distinct feature, disabled by default, if the attributeForDistinct index setting is set.
      * https://www.algolia.com/doc/api-reference/api-parameters/distinct/