diff --git a/.kokoro/dependencies.sh b/.kokoro/dependencies.sh
index 9a5105d7..d7476cfe 100755
--- a/.kokoro/dependencies.sh
+++ b/.kokoro/dependencies.sh
@@ -38,15 +38,13 @@ function determineMavenOpts() {
       | sed -E 's/^(1\.[0-9]\.0).*$/\1/g'
   )
 
-  case $javaVersion in
-    "17")
+  if [[ $javaVersion == 17* ]]
+    then
       # MaxPermSize is no longer supported as of jdk 17
       echo -n "-Xmx1024m"
-      ;;
-    *)
+  else
       echo -n "-Xmx1024m -XX:MaxPermSize=128m"
-      ;;
-  esac
+  fi
 }
 
 export MAVEN_OPTS=$(determineMavenOpts)
diff --git a/synth.metadata b/synth.metadata
index 2b5edc83..e9be5b97 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-grafeas.git",
-        "sha": "4a7ca6a541f3c9249ddb5c3eb4f7244ef2536503"
+        "sha": "f03316f24a1af8c9c342c1fcc8ecf1584a0f66d8"
       }
     },
     {
@@ -19,7 +19,7 @@
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "d45942be8066ad57bd0509f4a16e1fac78ecc50f"
+        "sha": "cb2755306975de4c54ea549c9deb25703b3731bb"
       }
     }
   ],