diff --git a/lib/types.js b/lib/types.js
index a443e2b242..a5211c0e89 100644
--- a/lib/types.js
+++ b/lib/types.js
@@ -215,7 +215,7 @@ declare class BabelNodeRegExpLiteral extends BabelNode {
 
 declare class BabelNodeLogicalExpression extends BabelNode {
   type: "LogicalExpression";
-  operator: "||" | "&&";
+  operator: "||" | "&&" | "??";
   left: BabelNodeExpression;
   right: BabelNodeExpression;
 }
@@ -1317,7 +1317,7 @@ declare module "babel-types" {
   declare function nullLiteral(): BabelNodeNullLiteral;
   declare function booleanLiteral(value: boolean): BabelNodeBooleanLiteral;
   declare function regExpLiteral(pattern: string, flags?: string): BabelNodeRegExpLiteral;
-  declare function logicalExpression(operator: "||" | "&&", left: BabelNodeExpression, right: BabelNodeExpression): BabelNodeLogicalExpression;
+  declare function logicalExpression(operator: "||" | "&&" | "??", left: BabelNodeExpression, right: BabelNodeExpression): BabelNodeLogicalExpression;
   declare function memberExpression(object: BabelNodeExpression, property: any, computed?: boolean, optional?: true | false): BabelNodeMemberExpression;
   declare function newExpression(callee: BabelNodeExpression, _arguments: any, optional?: true | false, typeParameters?: ?BabelNodeTypeParameterInstantiation): BabelNodeNewExpression;
   declare function program(body: any, directives?: any, sourceType?: "script" | "module", sourceFile?: string): BabelNodeProgram;
diff --git a/packages/babel-types/README.md b/packages/babel-types/README.md
index 453468b3c3..a48ec24c63 100644
--- a/packages/babel-types/README.md
+++ b/packages/babel-types/README.md
@@ -1235,7 +1235,7 @@ See also `t.isLogicalExpression(node, opts)` and `t.assertLogicalExpression(node
 
 Aliases: `Binary`, `Expression`
 
- - `operator`: `'||' | '&&'` (required)
+ - `operator`: `'||' | '&&' | '??'` (required)
  - `left`: `Expression` (required)
  - `right`: `Expression` (required)