diff --git a/isrg-root-x2.crl_url b/isrg-root-x2.crl_url
index 80cfb42..a0f3f8a 100644
--- a/isrg-root-x2.crl_url
+++ b/isrg-root-x2.crl_url
@@ -1 +1 @@
-http://c.lencr.org
+http://x2.c.lencr.org
diff --git a/isrgrootx1.crl_url b/isrgrootx1.crl_url
index d4a997e..2507757 100644
--- a/isrgrootx1.crl_url
+++ b/isrgrootx1.crl_url
@@ -1 +1 @@
-http://crl.root-x1.letsencrypt.org
+http://x1.c.lencr.org