diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1051b7df..694999f1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,7 @@ Added
 - Added deprecation warnings to `Connection::runDdl` and `Connection::runDdls` (#98)
 - Added  `ManagesMutations::insertOrUpdateUsingMutation` and `UsesMutations::insertOrUpdateUsingMutation` to do upserts (#109)
 - Added Support for `Schema\Builder::dropIfExists()` (#115)
+- Added support for adding row deletion policy when modifying table (#124)
 
 Changed
 - `Connection::waitForOperation` and `Connection::isDoneOperation` has been removed. (#99)
diff --git a/src/Schema/Blueprint.php b/src/Schema/Blueprint.php
index 2c158a30..52699f6c 100644
--- a/src/Schema/Blueprint.php
+++ b/src/Schema/Blueprint.php
@@ -217,6 +217,20 @@ public function deleteRowsOlderThan(string $column, int $days)
         ]);
     }
 
+    /**
+     * @param string $column
+     * @param int $days
+     * @return Fluent<string, mixed>
+     */
+    public function addRowDeletionPolicy(string $column, int $days): Fluent
+    {
+        return $this->addCommand('addRowDeletionPolicy', [
+            'policy' => 'olderThan',
+            'column' => $column,
+            'days' => $days,
+        ]);
+    }
+
     /**
      * @param string $column
      * @param int $days
diff --git a/src/Schema/Grammar.php b/src/Schema/Grammar.php
index 5da84605..78fd9e1f 100644
--- a/src/Schema/Grammar.php
+++ b/src/Schema/Grammar.php
@@ -134,6 +134,21 @@ public function compileDropColumn(Blueprint $blueprint, Fluent $command)
         return 'alter table '.$this->wrapTable($blueprint).' '.implode(', ', $columns);
     }
 
+    /**
+     * @param Blueprint $blueprint
+     * @param Fluent<string, mixed> $command
+     * @return string
+     */
+    public function compileAddRowDeletionPolicy(Blueprint $blueprint, Fluent $command)
+    {
+        if ($command->policy !== 'olderThan') {
+            throw new RuntimeException('Unknown deletion policy:'.$command->policy);
+        }
+        $table = $this->wrapTable($blueprint);
+        $column = $this->wrap($command->column);
+        return "alter table {$table} add row deletion policy (older_than({$column}, interval {$command->days} day))";
+    }
+
     /**
      * @param Blueprint $blueprint
      * @param Fluent<string, mixed> $command
diff --git a/tests/Schema/BlueprintTest.php b/tests/Schema/BlueprintTest.php
index 1d486cc4..003c385f 100644
--- a/tests/Schema/BlueprintTest.php
+++ b/tests/Schema/BlueprintTest.php
@@ -306,6 +306,34 @@ public function test_create_with_row_deletion_policy(): void
         );
     }
 
+    public function test_add_row_deletion_policy(): void
+    {
+        $conn = $this->getDefaultConnection();
+        $conn->useDefaultSchemaGrammar();
+        $grammar = $conn->getSchemaGrammar();
+        $table = 'Test_' . Str::random();
+
+        $blueprint1 = new Blueprint($table, function (Blueprint $table) {
+            $table->create();
+            $table->uuid('id');
+            $table->primary('id');
+            $table->dateTime('t')->nullable();
+        });
+        $blueprint1->build($conn, $grammar);
+
+        $blueprint2 = new Blueprint($table, function (Blueprint $table) {
+            $table->addRowDeletionPolicy('t', 200);
+        });
+        $blueprint2->build($conn, $grammar);
+
+        $statement = $blueprint2->toSql($conn, $grammar)[0];
+
+        self::assertEquals(
+            "alter table `{$table}` add row deletion policy (older_than(`t`, interval 200 day))",
+            $statement,
+        );
+    }
+
     public function test_replace_row_deletion_policy(): void
     {
         $conn = $this->getDefaultConnection();