diff --git a/.kokoro/release/publish_javadoc11.sh b/.kokoro/release/publish_javadoc11.sh
index bbb402e8..0aca135d 100755
--- a/.kokoro/release/publish_javadoc11.sh
+++ b/.kokoro/release/publish_javadoc11.sh
@@ -42,6 +42,8 @@ mvn clean site -B -q -P docFX
 
 # copy README to docfx-yml dir and rename index.md
 cp README.md target/docfx-yml/index.md
+# copy CHANGELOG to docfx-yml dir and rename history.md
+cp CHANGELOG.md target/docfx-yml/history.md
 
 pushd target/docfx-yml
 
diff --git a/synth.metadata b/synth.metadata
index 4f0708d7..c128fb7d 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -4,14 +4,14 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-pubsublite-kafka.git",
-        "sha": "5135c6bf05e136729c092cb6183534b802ac6e93"
+        "sha": "902ca7d037a7d2dd51d4283a6bf93b8a7002cb23"
       }
     },
     {
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "4f4b1b9b8d8b52f1e9e4a76165896debce5ab7f1"
+        "sha": "c86c7a60985644eab557949363a38301d40d78d2"
       }
     }
   ],