diff --git a/stdlib/2/__builtin__.pyi b/stdlib/2/__builtin__.pyi
index 195d4b180..fc680ca78 100644
--- a/stdlib/2/__builtin__.pyi
+++ b/stdlib/2/__builtin__.pyi
@@ -920,6 +920,7 @@ class SyntaxError(StandardError):
     lineno = ...  # type: int
     offset = ...  # type: int
     text = ...  # type: str
+    filename = ...  # type: str
 class IndentationError(SyntaxError): ...
 class TabError(IndentationError): ...
 class SystemError(StandardError): ...
diff --git a/stdlib/3/builtins.pyi b/stdlib/3/builtins.pyi
index d3254c8d4..490c7f31a 100644
--- a/stdlib/3/builtins.pyi
+++ b/stdlib/3/builtins.pyi
@@ -956,6 +956,7 @@ class SyntaxError(Exception):
     lineno = ...  # type: int
     offset = ...  # type: int
     text = ...  # type: str
+    filename = ...  # type: str
 class IndentationError(SyntaxError): ...
 class TabError(IndentationError): ...
 class SystemError(Exception): ...