diff --git a/google-cloud-debugger-client/src/main/java/com/google/cloud/debugger/v2/stub/Controller2StubSettings.java b/google-cloud-debugger-client/src/main/java/com/google/cloud/debugger/v2/stub/Controller2StubSettings.java
index 736434e3..1e8421ba 100644
--- a/google-cloud-debugger-client/src/main/java/com/google/cloud/debugger/v2/stub/Controller2StubSettings.java
+++ b/google-cloud-debugger-client/src/main/java/com/google/cloud/debugger/v2/stub/Controller2StubSettings.java
@@ -146,7 +146,9 @@ public static List<String> getDefaultServiceScopes() {
 
   /** Returns a builder for the default credentials for this service. */
   public static GoogleCredentialsProvider.Builder defaultCredentialsProviderBuilder() {
-    return GoogleCredentialsProvider.newBuilder().setScopesToApply(DEFAULT_SERVICE_SCOPES);
+    return GoogleCredentialsProvider.newBuilder()
+        .setScopesToApply(DEFAULT_SERVICE_SCOPES)
+        .setUseJwtAccessWithScope(true);
   }
 
   /** Returns a builder for the default ChannelProvider for this service. */
diff --git a/google-cloud-debugger-client/src/main/java/com/google/cloud/debugger/v2/stub/Debugger2StubSettings.java b/google-cloud-debugger-client/src/main/java/com/google/cloud/debugger/v2/stub/Debugger2StubSettings.java
index 6c6ab41a..f3121410 100644
--- a/google-cloud-debugger-client/src/main/java/com/google/cloud/debugger/v2/stub/Debugger2StubSettings.java
+++ b/google-cloud-debugger-client/src/main/java/com/google/cloud/debugger/v2/stub/Debugger2StubSettings.java
@@ -160,7 +160,9 @@ public static List<String> getDefaultServiceScopes() {
 
   /** Returns a builder for the default credentials for this service. */
   public static GoogleCredentialsProvider.Builder defaultCredentialsProviderBuilder() {
-    return GoogleCredentialsProvider.newBuilder().setScopesToApply(DEFAULT_SERVICE_SCOPES);
+    return GoogleCredentialsProvider.newBuilder()
+        .setScopesToApply(DEFAULT_SERVICE_SCOPES)
+        .setUseJwtAccessWithScope(true);
   }
 
   /** Returns a builder for the default ChannelProvider for this service. */