diff --git a/CHANGELOG.md b/CHANGELOG.md
index 716d7705..640af90d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 ## [Unreleased]
 
+### Core
+
+- Added
+  [LINEARIZABLE](https://github.com/tarantool/tarantool/blob/e643f88a5e0c6d9ef2789b2033088fd04e7d39ae/src/box/txn.h#L228)
+  isolation level.
+
 ### Testcontainers
 
 - `CartridgeClusterContainer`: a failed `cartridge replicasets setup` from a YAML topology file
diff --git a/tarantool-core/src/main/java/io/tarantool/core/protocol/TransactionIsolationLevel.java b/tarantool-core/src/main/java/io/tarantool/core/protocol/TransactionIsolationLevel.java
index b6aecfc3..a04d6673 100644
--- a/tarantool-core/src/main/java/io/tarantool/core/protocol/TransactionIsolationLevel.java
+++ b/tarantool-core/src/main/java/io/tarantool/core/protocol/TransactionIsolationLevel.java
@@ -6,8 +6,18 @@
 package io.tarantool.core.protocol;
 
 public enum TransactionIsolationLevel {
+  /** Take isolation level from global default_isolation_level. */
   DEFAULT,
+
+  /** Allow to read committed, but not confirmed changes. */
   READ_COMMITTED,
+
+  /** Allow to read only confirmed changes. */
   READ_CONFIRMED,
-  BEST_EFFORT;
+
+  /** Determine isolation level automatically. */
+  BEST_EFFORT,
+
+  /** Allow to read only the changes confirmed on any cluster node. */
+  LINEARIZABLE;
 }