diff --git a/.kokoro/dependencies.sh b/.kokoro/dependencies.sh
index 0fb8c8436..59d2aafc7 100755
--- a/.kokoro/dependencies.sh
+++ b/.kokoro/dependencies.sh
@@ -33,6 +33,7 @@ export MAVEN_OPTS="-Xmx1024m -XX:MaxPermSize=128m"
 retry_with_backoff 3 10 \
   mvn install -B -V -ntp \
     -DskipTests=true \
+    -Dmaven.javadoc.skip=true \
     -Dclirr.skip=true
 
 mvn -B dependency:analyze -DfailOnWarning=true
diff --git a/synth.metadata b/synth.metadata
index abfcc9e71..1d40a3f40 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-datastore.git",
-        "sha": "1a15d9978c2fcdb17cd210f4758e4dfd42d50615"
+        "sha": "7577e1b1cb1af0539fc931059fbb48ee5e934447"
       }
     },
     {
@@ -19,7 +19,7 @@
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "572ef8f70edd9041f5bcfa71511aed6aecfc2098"
+        "sha": "5b0e1592dd7d70b485e157ea4b3eb1704ecbd015"
       }
     }
   ],