diff --git a/CHANGELOG.md b/CHANGELOG.md
index bb84eb0d1..8cb849a49 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@
 - Bug #756: Fix `Quoter::quoteSql()` for SQL containing table with prefix (@Tigrov)
 - Bug #756: Fix `Quoter::getTableNameParts()` for cases when different quotes for tables and columns (@Tigrov)
 - Bug #756: Fix `Quoter::quoteTableName()` for sub-query with alias (@Tigrov)
+- Chg #765: Deprecate `SchemaInterface::TYPE_JSONB` (@Tigrov)
 
 ## 1.1.1 August 16, 2023
 
diff --git a/src/Schema/SchemaInterface.php b/src/Schema/SchemaInterface.php
index 684a11f6e..5bfa909a0 100644
--- a/src/Schema/SchemaInterface.php
+++ b/src/Schema/SchemaInterface.php
@@ -220,6 +220,8 @@ interface SchemaInterface extends ConstraintSchemaInterface
     public const TYPE_JSON = 'json';
     /**
      * Define the abstract column type as `jsonb`.
+     *
+     * @deprecated will be removed in version 2.0.0. Use `SchemaInterface::TYPE_JSON` instead.
      */
     public const TYPE_JSONB = 'jsonb';