diff --git a/importlib_resources/abc.py b/importlib_resources/abc.py
index 7a58dd2..71f4683 100644
--- a/importlib_resources/abc.py
+++ b/importlib_resources/abc.py
@@ -80,11 +80,13 @@ def read_bytes(self) -> bytes:
         with self.open('rb') as strm:
             return strm.read()
 
-    def read_text(self, encoding: Optional[str] = None) -> str:
+    def read_text(
+        self, encoding: Optional[str] = None, errors: Optional[str] = None
+    ) -> str:
         """
         Read contents of self as text
         """
-        with self.open(encoding=encoding) as strm:
+        with self.open(encoding=encoding, errors=errors) as strm:
             return strm.read()
 
     @abc.abstractmethod