diff --git a/pipreqs/pipreqs.py b/pipreqs/pipreqs.py
index 7e6d0c6..29bdd13 100755
--- a/pipreqs/pipreqs.py
+++ b/pipreqs/pipreqs.py
@@ -57,7 +57,7 @@ def get_all_imports(path, encoding=None):
         for file_name in files:
             with open_func(os.path.join(root, file_name), "r", encoding=encoding) as f:
                 contents = re.sub(re.compile("'''.+?'''", re.DOTALL), '', f.read())
-                contents = re.sub(re.compile('""".+"""', re.DOTALL), "", contents)
+                contents = re.sub(re.compile('""".+?"""', re.DOTALL), "", contents)
                 lines = contents.split("\n")
                 lines = filter(
                     filter_line, map(lambda l: l.partition("#")[0].strip(), lines))