diff --git a/pipreqs/pipreqs.py b/pipreqs/pipreqs.py
index 24eeeb7..635a408 100644
--- a/pipreqs/pipreqs.py
+++ b/pipreqs/pipreqs.py
@@ -163,7 +163,8 @@ def generate_requirements_file(path, imports, symbol):
         fmt = '{name}' + symbol + '{version}'
         out_file.write('\n'.join(
             fmt.format(**item) if item['version'] else '{name}'.format(**item)
-            for item in imports) + '\n')
+            for item in sorted(imports, key=lambda x: x['name'].lower()))
+            + '\n')
 
 
 def output_requirements(imports, symbol):