diff --git a/squid/files/evolinux-whitelist-defaults.conf b/squid/files/evolinux-whitelist-defaults.conf
index fe3ff500..fe9c0fb4 100644
--- a/squid/files/evolinux-whitelist-defaults.conf
+++ b/squid/files/evolinux-whitelist-defaults.conf
@@ -15,6 +15,8 @@
 # Let's Encrypt
 .+\.letsencrypt.org$
 .+\.o\.lencr.org$
+# ZeroSSL.com
+^api\.zerossl\.com$
 
 # Other OCSP endpoint
 ^ocsp\.usertrust\.com$