diff --git a/src/cst/AlterAction.ts b/src/cst/AlterAction.ts
index fe2f1652..b1a30865 100644
--- a/src/cst/AlterAction.ts
+++ b/src/cst/AlterAction.ts
@@ -141,7 +141,7 @@ export interface AlterActionAlterColumn extends BaseNode {
   type: "alter_action_alter_column";
   alterKw: Keyword<"ALTER"> | [Keyword<"ALTER">, Keyword<"COLUMN">];
   ifExistsKw?: [Keyword<"IF">, Keyword<"EXISTS">];
-  column: Identifier;
+  column: Identifier | NumberLiteral;
   action: AlterColumnAction;
 }
 
diff --git a/src/parser.pegjs b/src/parser.pegjs
index bc5fb7d7..c868f667 100644
--- a/src/parser.pegjs
+++ b/src/parser.pegjs
@@ -2751,7 +2751,7 @@ rename_column_kw
   / kw:RENAME (&sqlite / &postgres) { return kw; }
 
 alter_action_alter_column
-  = alterKw:(alter_column_kw __) ifKw:(if_exists __)? column:(column __) action:alter_column_action {
+  = alterKw:(alter_column_kw __) ifKw:(if_exists __)? column:((column / number_literal) __) action:alter_column_action {
     return loc({
       type: "alter_action_alter_column",
       alterKw: read(alterKw),
diff --git a/test/ddl/index.test.ts b/test/ddl/index.test.ts
index 2b76fcd2..5ec542ed 100644
--- a/test/ddl/index.test.ts
+++ b/test/ddl/index.test.ts
@@ -225,7 +225,7 @@ describe("index", () => {
       });
 
       it("supports ALTER COLUMN .. SET STATISTICS", () => {
-        testWc("ALTER INDEX my_idx ALTER COLUMN col SET STATISTICS 100");
+        testWc("ALTER INDEX my_idx ALTER COLUMN 3 SET STATISTICS 100");
       });
 
       it("supports ALTER INDEX ALL IN TABLESPACE", () => {