diff --git a/patch-requests-certs.py-to-use-the-system-CA-bundle.patch b/patch-requests-certs.py-to-use-the-system-CA-bundle.patch
index ee83d68..06a1e99 100644
--- a/patch-requests-certs.py-to-use-the-system-CA-bundle.patch
+++ b/patch-requests-certs.py-to-use-the-system-CA-bundle.patch
@@ -38,7 +38,7 @@ index 93a8507..2db9569 100755
 +++ b/setup.py
 @@ -45,7 +45,6 @@ requires = [
      'chardet>=3.0.2,<3.1.0',
-     'idna>=2.5,<2.6',
+     'idna>=2.5,<2.7',
      'urllib3>=1.21.1,<1.23',
 -    'certifi>=2017.4.17'