diff --git a/git/cmd.py b/git/cmd.py
index 836aafffb..31c0e859e 100644
--- a/git/cmd.py
+++ b/git/cmd.py
@@ -497,6 +497,9 @@ def readlines(self, size=-1):
         # skipcq: PYL-E0301
         def __iter__(self):
             return self
+        
+        def __next__(self):
+            return self.next()
 
         def next(self):
             line = self.readline()