diff --git a/package.json b/package.json
index 8c3ce619..adb2cfc7 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "sql-parser-cst",
   "description": "Parses SQL into Concrete Syntax Tree (CST)",
   "license": "GPL-2.0-or-later",
-  "version": "0.31.1",
+  "version": "0.32.0",
   "main": "lib/main.js",
   "types": "lib/main.d.ts",
   "repository": {
diff --git a/src/cst/Select.ts b/src/cst/Select.ts
index 513021a6..14d579ec 100644
--- a/src/cst/Select.ts
+++ b/src/cst/Select.ts
@@ -44,6 +44,7 @@ export type AllSelectNodes =
   | GroupByRollup
   | GroupByCube
   | GroupByGroupingSets
+  | GroupByAll
   | HavingClause
   | WindowClause
   | QualifyClause
@@ -276,7 +277,12 @@ export interface GroupByClause extends BaseNode {
   withRollupKw?: [Keyword<"WITH">, Keyword<"ROLLUP">]; // MySQL, MariaDB
 }
 
-type GroupingElement = Expr | GroupByRollup | GroupByCube | GroupByGroupingSets;
+type GroupingElement =
+  | Expr
+  | GroupByRollup
+  | GroupByCube
+  | GroupByGroupingSets
+  | GroupByAll;
 
 // BigQuery, PostgreSQL
 export interface GroupByRollup extends BaseNode {
@@ -292,6 +298,12 @@ export interface GroupByCube extends BaseNode {
   columns: ParenExpr<ListExpr<Expr>>;
 }
 
+// BigQuery
+export interface GroupByAll extends BaseNode {
+  type: "group_by_all";
+  allKw: Keyword<"ALL">;
+}
+
 // PostgreSQL
 export interface GroupByGroupingSets extends BaseNode {
   type: "group_by_grouping_sets";
diff --git a/src/parser.pegjs b/src/parser.pegjs
index fc6e5928..9858b085 100644
--- a/src/parser.pegjs
+++ b/src/parser.pegjs
@@ -913,6 +913,7 @@ grouping_element
   = group_by_rollup
   / group_by_cube
   / group_by_grouping_sets
+  / group_by_all &bigquery
   / paren$empty_list
   / expr
 
@@ -943,6 +944,14 @@ group_by_grouping_sets
     });
   }
 
+group_by_all
+  = kw:ALL {
+    return loc({
+      type: "group_by_all",
+      allKw: read(kw),
+    });
+  }
+
 /**
  * SELECT .. HAVING
  * --------------------------------------------------------------------------------------
diff --git a/src/showNode/select.ts b/src/showNode/select.ts
index 55333d8d..9e962a57 100644
--- a/src/showNode/select.ts
+++ b/src/showNode/select.ts
@@ -104,6 +104,7 @@ export const selectMap: FullTransformMap<string, AllSelectNodes> = {
   group_by_rollup: (node) => show([node.rollupKw, node.columns]),
   group_by_cube: (node) => show([node.cubeKw, node.columns]),
   group_by_grouping_sets: (node) => show([node.groupingSetsKw, node.columns]),
+  group_by_all: (node) => show([node.allKw]),
   having_clause: (node) => show([node.havingKw, node.expr]),
   qualify_clause: (node) => show([node.qualifyKw, node.expr]),
   order_by_clause: (node) =>
diff --git a/test/select/group_by.test.ts b/test/select/group_by.test.ts
index 3c1fe528..c57a4226 100644
--- a/test/select/group_by.test.ts
+++ b/test/select/group_by.test.ts
@@ -20,6 +20,12 @@ describe("select GROUP BY", () => {
     });
   });
 
+  dialect(["bigquery"], () => {
+    it("supports GROUP BY ALL", () => {
+      testClauseWc("GROUP BY ALL");
+    });
+  });
+
   dialect(["bigquery", "postgresql"], () => {
     it("supports GROUP BY ROLLUP()", () => {
       testClauseWc("GROUP BY ROLLUP ( id, name + age )");