diff --git a/gql/lib/src/ast/ast.dart b/gql/lib/src/ast/ast.dart
index bf9ad646..a71354e3 100644
--- a/gql/lib/src/ast/ast.dart
+++ b/gql/lib/src/ast/ast.dart
@@ -103,6 +103,7 @@ enum DirectiveLocation {
   fragmentDefinition,
   fragmentSpread,
   inlineFragment,
+  variableDefinition,
   schema,
   scalar,
   object,
diff --git a/gql/lib/src/language/parser.dart b/gql/lib/src/language/parser.dart
index 35d1d1f5..d4882479 100644
--- a/gql/lib/src/language/parser.dart
+++ b/gql/lib/src/language/parser.dart
@@ -881,6 +881,8 @@ class _Parser {
         return DirectiveLocation.fragmentSpread;
       case "INLINE_FRAGMENT":
         return DirectiveLocation.inlineFragment;
+      case "VARIABLE_DEFINITION":
+        return DirectiveLocation.variableDefinition;
       case "SCHEMA":
         return DirectiveLocation.schema;
       case "SCALAR":
diff --git a/gql/lib/src/language/printer.dart b/gql/lib/src/language/printer.dart
index 1ec8b8a9..e50b1d1d 100644
--- a/gql/lib/src/language/printer.dart
+++ b/gql/lib/src/language/printer.dart
@@ -736,6 +736,8 @@ String? _directiveLocation(DirectiveLocation location) {
       return "FRAGMENT_SPREAD";
     case DirectiveLocation.inlineFragment:
       return "INLINE_FRAGMENT";
+    case DirectiveLocation.variableDefinition:
+      return "VARIABLE_DEFINITION";
     case DirectiveLocation.schema:
       return "SCHEMA";
     case DirectiveLocation.scalar: