diff --git a/src/acp/exceptions.py b/src/acp/exceptions.py
index c9a4dd9..898ca40 100644
--- a/src/acp/exceptions.py
+++ b/src/acp/exceptions.py
@@ -14,11 +14,11 @@ def __init__(self, code: int, message: str, data: Any | None = None) -> None:
         self.data = data
 
     @staticmethod
-    def parse_error(data: dict | None = None) -> RequestError:
+    def parse_error(data: dict[str, Any] | None = None) -> RequestError:
         return RequestError(-32700, "Parse error", data)
 
     @staticmethod
-    def invalid_request(data: dict | None = None) -> RequestError:
+    def invalid_request(data: dict[str, Any] | None = None) -> RequestError:
         return RequestError(-32600, "Invalid request", data)
 
     @staticmethod
@@ -26,15 +26,15 @@ def method_not_found(method: str) -> RequestError:
         return RequestError(-32601, "Method not found", {"method": method})
 
     @staticmethod
-    def invalid_params(data: dict | None = None) -> RequestError:
+    def invalid_params(data: dict[str, Any] | None = None) -> RequestError:
         return RequestError(-32602, "Invalid params", data)
 
     @staticmethod
-    def internal_error(data: dict | None = None) -> RequestError:
+    def internal_error(data: dict[str, Any] | None = None) -> RequestError:
         return RequestError(-32603, "Internal error", data)
 
     @staticmethod
-    def auth_required(data: dict | None = None) -> RequestError:
+    def auth_required(data: dict[str, Any] | None = None) -> RequestError:
         return RequestError(-32000, "Authentication required", data)
 
     @staticmethod