diff --git a/nrich-search-api/src/main/java/net/croz/nrich/search/api/model/operator/DefaultSearchOperator.java b/nrich-search-api/src/main/java/net/croz/nrich/search/api/model/operator/DefaultSearchOperator.java
index 56bc681c..4debd4e7 100644
--- a/nrich-search-api/src/main/java/net/croz/nrich/search/api/model/operator/DefaultSearchOperator.java
+++ b/nrich-search-api/src/main/java/net/croz/nrich/search/api/model/operator/DefaultSearchOperator.java
@@ -22,6 +22,7 @@
 import jakarta.persistence.criteria.Path;
 import jakarta.persistence.criteria.Predicate;
 import java.util.Collection;
+import java.util.Locale;
 import java.util.Objects;
 
 // TODO check if other operators are required
@@ -95,6 +96,17 @@ public Predicate asPredicate(CriteriaBuilder criteriaBuilder, Path<?> path, Obje
 
             ((Collection<?>) value).forEach(inClause::value);
 
+            return inClause;
+        }
+    },
+
+    LOWER_IN {
+        @Override
+        public Predicate asPredicate(CriteriaBuilder criteriaBuilder, Path<?> path, Object value) {
+            CriteriaBuilder.In<String> inClause = criteriaBuilder.in(criteriaBuilder.lower((Expression<String>) path));
+
+            ((Collection<?>) value).forEach(item -> inClause.value(((String) item).toLowerCase(Locale.ROOT)));
+
             return inClause;
         }
     }
diff --git a/nrich-search/src/test/java/net/croz/nrich/search/repository/support/JpaQueryBuilderTest.java b/nrich-search/src/test/java/net/croz/nrich/search/repository/support/JpaQueryBuilderTest.java
index 846bc12b..0b233a50 100644
--- a/nrich-search/src/test/java/net/croz/nrich/search/repository/support/JpaQueryBuilderTest.java
+++ b/nrich-search/src/test/java/net/croz/nrich/search/repository/support/JpaQueryBuilderTest.java
@@ -601,6 +601,24 @@ void shouldSupportSearchingByPropertyList() {
         assertThat(results).hasSize(2);
     }
 
+    @Test
+    void shouldSupportSearchingByPropertyListUsingLowerOperator() {
+        // given
+        TestEntitySearchRequest request = new TestEntitySearchRequest(null);
+        request.setNameSearchList(List.of("firsT1", "First2"));
+
+        SearchConfiguration<TestEntity, TestEntity, TestEntitySearchRequest> searchConfiguration = SearchConfiguration.<TestEntity, TestEntity, TestEntitySearchRequest>builder()
+            .searchOperatorOverrideList(List.of(SearchOperatorOverride.forPath("name", DefaultSearchOperator.LOWER_IN)))
+            .build();
+
+
+        // when
+        List<TestEntity> results = executeQuery(request, searchConfiguration);
+
+        // then
+        assertThat(results).hasSize(2);
+    }
+
     @Test
     void shouldIgnoreEmptyCollectionWhenSearching() {
         // given