diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index af79ff62..e804b53f 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -29,7 +29,7 @@ repos:
         -   id: buildifier
         -   id: buildifier-lint
     -   repo: https://github.com/pre-commit/mirrors-mypy
-        rev: v1.10.1
+        rev: v1.11.0
         hooks:
             -   id: mypy
                 additional_dependencies: [types-requests==2.31.0.20240218]
diff --git a/py_proto/proto_import.py b/py_proto/proto_import.py
index 3990d43f..7fb86e87 100644
--- a/py_proto/proto_import.py
+++ b/py_proto/proto_import.py
@@ -1,4 +1,4 @@
-from typing import Optional
+from typing import Any, Iterator, Optional
 
 from py_proto.proto_node import ParsedProtoNode, ProtoNode, ProtoNodeDiff
 from py_proto.proto_string_literal import ProtoStringLiteral
@@ -26,19 +26,21 @@ def __eq__(self, other) -> bool:
             and (hasattr(other, "public") and self.public == other.public)
         )
 
+    def __iter__(self) -> Iterator:
+        return iter(
+            {
+                "path": self.path.serialize(),
+                "weak": self.weak,
+                "public": self.public,
+            }
+        )
+
     def __str__(self) -> str:
         return f"<ProtoImport path={self.path.serialize()} weak={self.weak} public={self.public}>"
 
     def __repr__(self) -> str:
         return str(self)
 
-    def __dict__(self):
-        return {
-            "path": self.path.serialize(),
-            "weak": self.weak,
-            "public": self.public,
-        }
-
     def normalize(self) -> "ProtoImport":
         return self
 
diff --git a/py_proto/proto_syntax.py b/py_proto/proto_syntax.py
index dd1d7f00..1e823ce5 100644
--- a/py_proto/proto_syntax.py
+++ b/py_proto/proto_syntax.py
@@ -1,5 +1,5 @@
 from enum import Enum
-from typing import Optional
+from typing import Any, Iterator, Optional
 
 from py_proto.proto_node import ParsedProtoNode, ProtoNode, ProtoNodeDiff
 from py_proto.proto_string_literal import ProtoStringLiteral
@@ -23,15 +23,15 @@ def __init__(self, syntax: ProtoStringLiteral, *args, **kwargs):
     def __eq__(self, other) -> bool:
         return self.syntax == other.syntax
 
+    def __iter__(self) -> Iterator:
+        return iter({"syntax": self.syntax.serialize()})
+
     def __str__(self) -> str:
         return f"<ProtoSyntax syntax={self.syntax.serialize()}>"
 
     def __repr__(self) -> str:
         return str(self)
 
-    def __dict__(self):
-        return {"syntax": self.syntax.serialize()}
-
     def normalize(self) -> "ProtoSyntax":
         return self