Docs now build successfully out of the box on macOS CPython.

2 files changed, 3 insertions, 1 deletions

diff --git a/docs/jsonschema_role.py b/docs/jsonschema_role.py
index cee8d14..607f8de 100644
--- a/docs/jsonschema_role.py
+++ b/docs/jsonschema_role.py
@@ -8,6 +8,7 @@ try:
 except ImportError:
     import urllib.request as urllib
 
+import certifi
 from lxml import html
 
 
@@ -62,7 +63,7 @@ def fetch_or_load(spec_path):
             raise
 
     request = urllib.Request(VALIDATION_SPEC, headers=headers)
-    response = urllib.urlopen(request)
+    response = urllib.urlopen(request, cafile=certifi.where())
 
     if response.code == 200:
         with open(spec_path, "w+b") as spec:
diff --git a/docs/requirements.txt b/docs/requirements.txt
index 5d7997a..eb3007a 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,3 +1,4 @@
+certifi
 lxml
 sphinx==1.6.7
 sphinxcontrib-spelling