diff --git a/docs/conf.py b/docs/conf.py
index 918ed553..a52703cc 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -249,8 +249,8 @@
 
 linkcheck_ignore = [
     r"https://github\.com/4dn-dcic/pairix/blob/master/pairs_format_specification\.md.*",
-    r"https://hictk.*\.org\.readthedocs\.build/.*",
-    r"https://hictk.*\.org/_/downloads/en/.*/pdf/",
+    r"https://hictk\..*readthedocs\..*\.readthedocs\.build/.*",
+    r"https://hictk\..*readthedocs\..*/_/downloads/en/.*/pdf/",
 ]
 
 primary_domain = "cpp"