diff --git a/docs/conf.py b/docs/conf.py
index e277d0f2c1c9..e430655b592a 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -213,6 +213,8 @@
     r"https://github.com",
     # 403s
     r"https://e-trust.gosuslugi.ru/",
+    # IACR appears to block requests from GitHub Actions
+    r"https://eprint.iacr.org",
 ]
 
 autosectionlabel_prefix_document = True