diff --git a/protobuf/lib/src/protobuf/mixins/well_known.dart b/protobuf/lib/src/protobuf/mixins/well_known.dart
index e7ac9fe..f644284 100644
--- a/protobuf/lib/src/protobuf/mixins/well_known.dart
+++ b/protobuf/lib/src/protobuf/mixins/well_known.dart
@@ -85,7 +85,7 @@
           'The type of the Any message (${any.typeUrl}) is not in the given typeRegistry.');
     }
     var unpacked = info.createEmptyInstance!()..mergeFromBuffer(any.value);
-    var proto3Json = unpacked.toProto3Json();
+    var proto3Json = unpacked.toProto3Json(typeRegistry: typeRegistry);
     if (info.toProto3Json == null) {
       var map = proto3Json as Map<String, dynamic>;
       map['@type'] = any.typeUrl;
diff --git a/protoc_plugin/Makefile b/protoc_plugin/Makefile
index a7556e3..aef823f 100644
--- a/protoc_plugin/Makefile
+++ b/protoc_plugin/Makefile
@@ -21,6 +21,7 @@
 	google/protobuf/timestamp \
 	google/protobuf/type \
 	google/protobuf/unittest_import \
+	google/protobuf/unittest_nested_any \
 	google/protobuf/unittest_optimize_for \
 	google/protobuf/unittest_well_known_types \
 	google/protobuf/unittest \
diff --git a/protoc_plugin/test/proto3_json_test.dart b/protoc_plugin/test/proto3_json_test.dart
index 02fb71a..791ae39 100644
--- a/protoc_plugin/test/proto3_json_test.dart
+++ b/protoc_plugin/test/proto3_json_test.dart
@@ -17,6 +17,7 @@
 import '../out/protos/google/protobuf/struct.pb.dart';
 import '../out/protos/google/protobuf/timestamp.pb.dart';
 import '../out/protos/google/protobuf/unittest.pb.dart';
+import '../out/protos/google/protobuf/unittest_nested_any.pb.dart';
 import '../out/protos/google/protobuf/unittest_well_known_types.pb.dart';
 import '../out/protos/google/protobuf/wrappers.pb.dart';
 import '../out/protos/map_field.pb.dart';
@@ -270,6 +271,26 @@
           throwsA(TypeMatcher<ArgumentError>()));
     });
 
+    test('Nested Any', () {
+      final packedOne = Any.pack(AnyMessage1()..value = '1');
+      final packedTwo = Any.pack(AnyMessage2()
+        ..value = '2'
+        ..anyField2 = packedOne);
+      expect(
+          packedTwo.toProto3Json(
+              typeRegistry: TypeRegistry([AnyMessage1(), AnyMessage2()])),
+          {
+            'anyField2': {
+              'value': '1',
+              '@type':
+                  'type.googleapis.com/protobuf_unittest_nested_any.AnyMessage1'
+            },
+            'value': '2',
+            '@type':
+                'type.googleapis.com/protobuf_unittest_nested_any.AnyMessage2'
+          });
+    });
+
     test('struct', () {
       final s = Struct()
         ..fields['null'] = (Value()..nullValue = NullValue.NULL_VALUE)
@@ -852,6 +873,7 @@
       expect(t, TestAllTypes());
       expect(t.unknownFields.isEmpty, isTrue);
     });
+
     test('Any', () {
       final m1 = Any()
         ..mergeFromProto3Json({
@@ -929,6 +951,28 @@
           parseFailure([]));
     });
 
+    test('Nested Any', () {
+      final m1 = Any()
+        ..mergeFromProto3Json({
+          'anyField2': {
+            'value': '1',
+            '@type':
+                'type.googleapis.com/protobuf_unittest_nested_any.AnyMessage1'
+          },
+          'value': '2',
+          '@type':
+              'type.googleapis.com/protobuf_unittest_nested_any.AnyMessage2'
+        }, typeRegistry: TypeRegistry([AnyMessage1(), AnyMessage2()]));
+
+      expect(
+          m1
+              .unpackInto(AnyMessage2())
+              .anyField2
+              .unpackInto(AnyMessage1())
+              .value,
+          '1');
+    });
+
     test('Duration', () {
       expect(
           Duration()..mergeFromProto3Json('0s'),
diff --git a/protoc_plugin/test/protos/google/protobuf/unittest_nested_any.proto b/protoc_plugin/test/protos/google/protobuf/unittest_nested_any.proto
new file mode 100644
index 0000000..d929b54
--- /dev/null
+++ b/protoc_plugin/test/protos/google/protobuf/unittest_nested_any.proto
@@ -0,0 +1,15 @@
+syntax = "proto3";
+
+package protobuf_unittest_nested_any;
+
+import "google/protobuf/any.proto";
+
+message AnyMessage1 {
+  google.protobuf.Any any_field1 = 1;
+  string value = 2;
+}
+
+message AnyMessage2 {
+  google.protobuf.Any any_field2 = 1;
+  string value = 2;
+}