diff --git a/.kokoro/build.sh b/.kokoro/build.sh
index b21d9985..46c35231 100755
--- a/.kokoro/build.sh
+++ b/.kokoro/build.sh
@@ -79,6 +79,11 @@ samples)
 
     if [[ -f ${SAMPLES_DIR}/pom.xml ]]
     then
+        for FILE in ${KOKORO_GFILE_DIR}/secret_manager/*-samples-secrets; do
+          [[ -f "$FILE" ]] || continue
+          source "$FILE"
+        done
+
         pushd ${SAMPLES_DIR}
         mvn -B \
           -Penable-samples \
diff --git a/synth.metadata b/synth.metadata
index 283a8dbe..748c5261 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-trace.git",
-        "sha": "73788cec331669a1a0290ee877382888c773e7ea"
+        "sha": "0441a1faaa19efed66ffa9f9d30fa6cfd08a8bbd"
       }
     },
     {
@@ -27,7 +27,7 @@
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "0b064d767537e0675fc053e53fca473c5c701fb8"
+        "sha": "bb854b6c048619e3be4e8b8ce8ed10aa74ea78ef"
       }
     }
   ],