diff --git a/.kokoro/dependencies.sh b/.kokoro/dependencies.sh
index cee4f11e75..c91e5a5693 100755
--- a/.kokoro/dependencies.sh
+++ b/.kokoro/dependencies.sh
@@ -43,12 +43,13 @@ function completenessCheck() {
   # Output dep list with compile scope generated using the original pom
   # Running mvn dependency:list on Java versions that support modules will also include the module of the dependency.
   # This is stripped from the output as it is not present in the flattened pom.
+  # Only dependencies with 'compile' or 'runtime' scope are included from original dependency list.
   msg "Generating dependency list using original pom..."
-  mvn dependency:list -f pom.xml -Dsort=true | grep '\[INFO]    .*:.*:.*:.*:.*' | sed -e s/\\s--\\smodule.*// | grep -v ':test$' >.org-list.txt
+  mvn dependency:list -f pom.xml -DincludeScope=runtime -Dsort=true | grep '\[INFO]    .*:.*:.*:.*:.*' | sed -e s/\\s--\\smodule.*// >.org-list.txt
 
-  # Output dep list generated using the flattened pom (test scope deps are ommitted)
+  # Output dep list generated using the flattened pom (only 'compile' and 'runtime' scopes)
   msg "Generating dependency list using flattened pom..."
-  mvn dependency:list -f .flattened-pom.xml -Dsort=true | grep '\[INFO]    .*:.*:.*:.*:.*' >.new-list.txt
+  mvn dependency:list -f .flattened-pom.xml -DincludeScope=runtime -Dsort=true | grep '\[INFO]    .*:.*:.*:.*:.*' >.new-list.txt
 
   # Compare two dependency lists
   msg "Comparing dependency lists..."
@@ -85,4 +86,4 @@ then
 else
   msg "Errors found. See log statements above."
   exit 1
-fi
+fi
\ No newline at end of file
diff --git a/synth.metadata b/synth.metadata
index d76e5b2883..e8e7ca4fa3 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -4,14 +4,14 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-storage-nio.git",
-        "sha": "af492b8068101727793e64e89da2778205fa08b6"
+        "sha": "9bbc1fc755271f2ac6b798d50f6c0ba8e022c589"
       }
     },
     {
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "4530cc6ff080ef8aca258c1ec92c4db10a1bbfb4"
+        "sha": "f8823dec98277a9516f2fb6fae9f58b3a59a23e1"
       }
     }
   ],