diff --git a/copr_script.sh b/copr_script.sh
index cce931f..382af73 100644
--- a/copr_script.sh
+++ b/copr_script.sh
@@ -9,6 +9,9 @@ set -euxo pipefail
 build_dir="$(realpath ..)"
 readonly build_dir
 
+script_dir="$(pwd)"
+readonly script_dir
+
 git clone https://src.fedoraproject.org/rpms/kernel.git
 cd kernel
 git checkout f44
@@ -225,4 +228,11 @@ sed --sandbox -i \
   -e "s/^# define buildid .*/%define buildid .secureblue.${secureblue_buildid_version}/" \
   kernel.spec
 
+# Merge trusted-keys/* into secureblue-certs.pem. This gets appended to
+# certs/rhel.pem alongside Fedora's keys (see trusted-keys.patch), so they
+# all end up in CONFIG_SYSTEM_TRUSTED_KEYS and thus .builtin_trusted_keys.
+cat "${build_dir}"/trusted-keys/*.pem > secureblue-certs.pem
+
+git apply "${script_dir}"/patches/*.patch
+
 mv ./* "${build_dir}"
diff --git a/patches/trusted-keys.patch b/patches/trusted-keys.patch
new file mode 100644
index 0000000..1ea8551
--- /dev/null
+++ b/patches/trusted-keys.patch
@@ -0,0 +1,24 @@
+# SPDX-FileCopyrightText: Copyright 2026 The Secureblue Authors
+#
+# SPDX-License-Identifier: MIT
+
+diff --git a/kernel.spec b/kernel.spec
+index 2e03403..59594fe 100644
+--- a/kernel.spec
++++ b/kernel.spec
+@@ -1214,6 +1214,7 @@ Source3002: Patchlist.changelog
+ Source4000: README.rst
+ Source4001: rpminspect.yaml
+ Source4002: gating.yaml
++Source4010: secureblue-certs.pem
+
+ ## Patches needed for building this package
+
+@@ -2313,6 +2314,7 @@ cat secureboot.pem >> ../certs/rhel.pem
+
+ openssl x509 -inform der -in %{ima_ca_cert} -out imaca.pem
+ cat imaca.pem >> ../certs/rhel.pem
++cat %{SOURCE4010} >> ../certs/rhel.pem
+
+ for i in *.config; do
+   sed -i 's@CONFIG_SYSTEM_TRUSTED_KEYS=""@CONFIG_SYSTEM_TRUSTED_KEYS="certs/rhel.pem"@' $i
diff --git a/trusted-keys/secureblue db CA 2026.pem b/trusted-keys/secureblue db CA 2026.pem
new file mode 100644
index 0000000..87ce755
--- /dev/null
+++ b/trusted-keys/secureblue db CA 2026.pem	
@@ -0,0 +1,19 @@
+-----BEGIN CERTIFICATE-----
+MIIDITCCAgmgAwIBAgIUKmVBhNiDt/LwiXlkFwVr2TvGgnQwDQYJKoZIhvcNAQEL
+BQAwIDEeMBwGA1UEAwwVc2VjdXJlYmx1ZSBkYiBDQSAyMDI2MB4XDTI2MDcwNzAw
+MDY1MVoXDTI2MDgwNjAwMDY1MVowIDEeMBwGA1UEAwwVc2VjdXJlYmx1ZSBkYiBD
+QSAyMDI2MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAk6iuDMfRFteB
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+ShEpgqJnrmI/xBGwufYe2OAoGQ+oBD9hAayaMWdbGRJ9tTcal/3shQ7Uwpg/61wD
+nHfOcmMhspayH1cUp00m6MOId9UcVI0yyTJy2Yfv4BFkKBuuKA==
+-----END CERTIFICATE-----
diff --git a/trusted-keys/secureblue secureboot key.pem b/trusted-keys/secureblue secureboot key.pem
new file mode 100644
index 0000000..f2927e5
--- /dev/null
+++ b/trusted-keys/secureblue secureboot key.pem	
@@ -0,0 +1,32 @@
+-----BEGIN CERTIFICATE-----
+MIIFkjCCA3qgAwIBAgIUXf9SP5fcCKafYbuO4D1v+8Tky8kwDQYJKoZIhvcNAQEL
+BQAwYzETMBEGA1UECgwKc2VjdXJlYmx1ZTEiMCAGA1UEAwwZc2VjdXJlYmx1ZSBz
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+y1J43H4xZP8EDfL1eTN/2/eSYhlCye5iARmuu1jCKPL8mf3YEe8=
+-----END CERTIFICATE-----