diff -pruN 20230311/debian/changelog 20230311ubuntu1/debian/changelog
--- 20230311/debian/changelog	2023-03-11 08:47:05.000000000 +0000
+++ 20230311ubuntu1/debian/changelog	2023-05-18 14:36:02.000000000 +0000
@@ -1,3 +1,12 @@
+ca-certificates (20230311ubuntu1) mantic; urgency=medium
+
+  * Add Trustcor root certificates to mozilla/blacklist.txt: (LP: #1998785)
+    - "TrustCor RootCert CA-1"
+    - "TrustCor RootCert CA-2"
+    - "TrustCor ECA-1"
+
+ -- Marc Deslauriers <marc.deslauriers@ubuntu.com>  Thu, 18 May 2023 10:36:02 -0400
+
 ca-certificates (20230311) unstable; urgency=medium
 
   [ Đoàn Trần Công Danh ]
diff -pruN 20230311/debian/control 20230311ubuntu1/debian/control
--- 20230311/debian/control	2021-10-04 20:03:31.000000000 +0000
+++ 20230311ubuntu1/debian/control	2023-05-18 14:36:02.000000000 +0000
@@ -1,7 +1,8 @@
 Source: ca-certificates
 Section: misc
 Priority: optional
-Maintainer: Julien Cristau <jcristau@debian.org>
+Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+XSBC-Original-Maintainer: Julien Cristau <jcristau@debian.org>
 Build-Depends: debhelper-compat (= 13), po-debconf
 Build-Depends-Indep: python3, openssl, python3-cryptography
 Standards-Version: 4.5.0.2
diff -pruN 20230311/mozilla/blacklist.txt 20230311ubuntu1/mozilla/blacklist.txt
--- 20230311/mozilla/blacklist.txt	2023-03-11 08:37:33.000000000 +0000
+++ 20230311ubuntu1/mozilla/blacklist.txt	2023-05-18 14:36:02.000000000 +0000
@@ -2,5 +2,8 @@
 
 # Blacklist explicitly distrusted certificates to explicitly ignore them and prevent build errors
 "Explicitly Distrust DigiNotar Root CA"
+"TrustCor RootCert CA-1"
+"TrustCor RootCert CA-2"
+"TrustCor ECA-1"
 
 # Expired CAs
