diff --git a/Builds/containers/gitlab-ci/smoketest.sh b/Builds/containers/gitlab-ci/smoketest.sh
index 4d99ff6b7..e0f4f432b 100644
--- a/Builds/containers/gitlab-ci/smoketest.sh
+++ b/Builds/containers/gitlab-ci/smoketest.sh
@@ -51,7 +51,7 @@ if [ "${pkgtype}" = "dpkg" ] ; then
     elif [ "${install_from}" = "local" ] ; then
         # cached pkg install
         updateWithRetry
-        apt-get -y install libprotobuf-dev libssl-dev
+        apt-get -y install libprotobuf-dev libprotoc-dev protobuf-compiler libssl-dev
         rm -f build/dpkg/packages/rippled-dbgsym*.*
         dpkg --no-debsig -i build/dpkg/packages/*.deb
     else
diff --git a/Builds/linux/README.md b/Builds/linux/README.md
index 4d7c7abde..bb5bc7618 100644
--- a/Builds/linux/README.md
+++ b/Builds/linux/README.md
@@ -19,7 +19,7 @@ Use `apt-get` to install the dependencies provided by the distribution
 
 ```
 $ apt-get update
-$ apt-get install -y gcc g++ wget git cmake pkg-config protobuf-compiler libprotobuf-dev libssl-dev
+$ apt-get install -y gcc g++ wget git cmake pkg-config libprotoc-dev protobuf-compiler libprotobuf-dev libssl-dev
 ```
 
 To build the software in reporting mode, install these additional dependencies:
diff --git a/src/test/jtx/TrustedPublisherServer.h b/src/test/jtx/TrustedPublisherServer.h
index 8eab4368d..985c1bfd6 100644
--- a/src/test/jtx/TrustedPublisherServer.h
+++ b/src/test/jtx/TrustedPublisherServer.h
@@ -387,25 +387,25 @@ public:
     {
         static std::string const cert{R"cert(
 -----BEGIN CERTIFICATE-----
-MIIDczCCAlugAwIBAgIBATANBgkqhkiG9w0BAQUFADBjMQswCQYDVQQGEwJVUzEL
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-uvWEtg6EucGOszIH8O7eJWaJpVpAfZIX+c62MQWLpOLi/QIDAQABoyowKDAmBgNV
-HREEHzAdgglsb2NhbGhvc3SHEAAAAAAAAAAAAAAAAAAAAAEwDQYJKoZIhvcNAQEF
-BQADggEBAOhLAO/e0lGi9TZ2HiVi4sJ7KVQaBQHGhfsysILoQNHrNqDypPc/ZrSa
-WQ2OqyUeltMnUdN5S1h3MKRZlbAeBQlwkPdjTzlzWkCMWB5BsfIGy5ovqmNQ7zPa
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-f5ktutc4DDJSV7fuYYCuGumrHAjcELE=
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++T/qkwmc/L+Pbzf85HM7RjeGOd6NDQy9+oOBbUtqpTxcSGa4ln+YBFUSeoS1Aa9f
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+HREEHzAdgglsb2NhbGhvc3SHEAAAAAAAAAAAAAAAAAAAAAEwDQYJKoZIhvcNAQEL
+BQADggEBAJkUFNS0CeEAKvo0ttzooXnCDH3esj2fwmLJQYLUGsAF8DFrFHTqZEcx
+hFRdr0ftEb/VKpV9dVF6xtSoMU56kHOnhbHEWADyqdKUkCDjrGBet5QdWmEwNV2L
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+GSGO8NEEq8BTVmp69zD1JyfvQcXzsi7WtkAX+/EOFZ7LesnZ6VsyjZ74wECCaQuD
+X1yu/XxHqchM+DOzzVw6wRKaM7Zsk80=
 -----END CERTIFICATE-----
 )cert"};
         return cert;
@@ -416,31 +416,31 @@ f5ktutc4DDJSV7fuYYCuGumrHAjcELE=
     {
         static std::string const key{R"pkey(
 -----BEGIN RSA PRIVATE KEY-----
-MIIEpQIBAAKCAQEA5Ky0UE9K+gFOznfwBvq2HfnQOOPGtVf4G9m63b5VQNJYCSNi
-YxkGZW72ESM3XA8BledlkV9pwIm17+7ucB1Ed3efQjQDq2RSk5LDYDaar0Qzzy0E
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+ZzARzaWhQPvbDqEtLJDWuXZNXfL8/PTIs5NmuKuQ8F4+gQJpkQgwaw==
 -----END RSA PRIVATE KEY-----
 )pkey"};
         return key;
@@ -451,24 +451,26 @@ VruAOjS4yBepkXJU9xwKHxDmgTo/oQ5smq7SNOUWDSElVI/CyZ0x7qA=
     {
         static std::string const cert{R"cert(
 -----BEGIN CERTIFICATE-----
-MIIDQjCCAioCCQDxKQafEvp+VTANBgkqhkiG9w0BAQsFADBjMQswCQYDVQQGEwJV
-UzELMAkGA1UECAwCQ0ExFDASBgNVBAcMC0xvcyBBbmdlbGVzMRswGQYDVQQKDBJy
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+7X1e3FekJlaD02EBEhtkXURIxogOQALdFncj
 -----END CERTIFICATE-----
 )cert"};
         return cert;
@@ -479,12 +481,12 @@ IfW9PBfO/gCtNJQ+lqpoTd3kLBCAng==
     {
         static std::string const dh{R"dh(
 -----BEGIN DH PARAMETERS-----
-MIIBCAKCAQEAnJaaKu3U2a7ZVBvIC+NVNHXo9q6hNCazze+4pwXAKBVXH0ozInEw
-WKozYxVJLW7dvDHdjdFOSuTLQDqaPW9zVMQKM0BKu81+JyfJi7C3HYKUw7ECVHp4
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+/8hzd8tHn9TyW7Q2/CPkOA6dCXzltpOSowIBAg==
 -----END DH PARAMETERS-----
 )dh"};
         return dh;