diff --git a/src/wp-includes/certificates/ca-bundle.crt b/src/wp-includes/certificates/ca-bundle.crt
index f9bd706b40..8b8beb9335 100644
--- a/src/wp-includes/certificates/ca-bundle.crt
+++ b/src/wp-includes/certificates/ca-bundle.crt
@@ -2,6 +2,8 @@
 ## Bundle of CA Root Certificates
 ##
 ## Certificate data from Mozilla as of: Wed Jul 22 03:12:14 2020 GMT
+## Includes a WordPress Modification - We include the 'legacy' 1024bit certificates
+## for backward compatibility. See https://core.trac.wordpress.org/ticket/34935#comment:10
 ##
 ## This is a bundle of X.509 certificates of public Certificate Authorities
 ## (CA). These were automatically extracted from Mozilla's root certificates
@@ -13,11 +15,101 @@
 ## an Apache+mod_ssl webserver for SSL client authentication.
 ## Just configure this file as the SSLCACertificateFile.
 ##
-## Conversion done with mk-ca-bundle.pl version 1.28.
-## SHA256: cc6408bd4be7fbfb8699bdb40ccb7f6de5780d681d87785ea362646e4dad5e8e
+## Conversion done with mk-ca-bundle.pl version 1.27.
+## SHA256: fffa309937c3be940649293f749b8207fabc6eb224e50e4bb3f2c5e44e0d6a6b
 ##
 
 
+Thawte Server CA
+================
+-----BEGIN CERTIFICATE-----
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+GCg70eNAKJpaPNW15yAbi8qkq43pUdniTCxZqdq5snUb9kLy78fyGPmJvKP/iiMucEc=
+-----END CERTIFICATE-----
+
+Thawte Premium Server CA
+========================
+-----BEGIN CERTIFICATE-----
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+UCemDaYj+bvLpgcUQg==
+-----END CERTIFICATE-----
+
+Verisign Class 3 Public Primary Certification Authority
+=======================================================
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+Verisign Class 3 Public Primary Certification Authority - G2
+============================================================
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+Verisign Class 3 Public Primary Certification Authority
+=======================================================
+-----BEGIN CERTIFICATE-----
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+D/xwzoiQ
+-----END CERTIFICATE-----
+
 GlobalSign Root CA
 ==================
 -----BEGIN CERTIFICATE-----
@@ -61,6 +153,30 @@ BgkqhkiG9w0BAQUFAAOCAQEAmYFThxxol4aR7OBKuEQLq4GsJ0/WwbgcQ3izDJr86iw8bmEbTUsp
 TBj0/VLZjmmx6BEP3ojY+x1J96relc8geMJgEtslQIxq/H5COEBkEveegeGTLg==
 -----END CERTIFICATE-----
 
+Verisign Class 3 Public Primary Certification Authority - G3
+============================================================
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
 Entrust.net Premium 2048 Secure Server CA
 =========================================
 -----BEGIN CERTIFICATE-----