diff --git a/src/Core/Settings.cpp b/src/Core/Settings.cpp
index 6cb66f160596..e63a1703d8d2 100644
--- a/src/Core/Settings.cpp
+++ b/src/Core/Settings.cpp
@@ -7267,17 +7267,17 @@ but makes distributed index analysis less efficient if large tables are used in
     DECLARE(Bool, distributed_index_analysis_for_non_shared_merge_tree, false, R"(
 Enable distributed index analysis even for non SharedMergeTree (cloud only engine).
 )", 0) \
-    DECLARE_WITH_ALIAS(Bool, allow_experimental_database_iceberg, false, R"(
+    DECLARE_WITH_ALIAS(Bool, allow_experimental_database_iceberg, true, R"(
 Allow experimental database engine DataLakeCatalog with catalog_type = 'iceberg'
 
 Cloud default value: `1`.
 )", BETA, allow_database_iceberg) \
-    DECLARE_WITH_ALIAS(Bool, allow_experimental_database_unity_catalog, false, R"(
+    DECLARE_WITH_ALIAS(Bool, allow_experimental_database_unity_catalog, true, R"(
 Allow experimental database engine DataLakeCatalog with catalog_type = 'unity'
 
 Cloud default value: `1`.
 )", BETA, allow_database_unity_catalog) \
-    DECLARE_WITH_ALIAS(Bool, allow_experimental_database_glue_catalog, false, R"(
+    DECLARE_WITH_ALIAS(Bool, allow_experimental_database_glue_catalog, true, R"(
 Allow experimental database engine DataLakeCatalog with catalog_type = 'glue'
 
 Cloud default value: `1`.