diff --git a/google/cloud/securitycenter/v1p1beta1/asset.proto b/google/cloud/securitycenter/v1p1beta1/asset.proto
index d06a82ba..3e4b26a8 100644
--- a/google/cloud/securitycenter/v1p1beta1/asset.proto
+++ b/google/cloud/securitycenter/v1p1beta1/asset.proto
@@ -28,7 +28,7 @@ option go_package = "google.golang.org/genproto/googleapis/cloud/securitycenter/
 option java_multiple_files = true;
 option java_package = "com.google.cloud.securitycenter.v1p1beta1";
 option php_namespace = "Google\\Cloud\\SecurityCenter\\V1p1beta1";
-option ruby_package = "Google::Cloud::SecurityCenter::V1p1Beta1";
+option ruby_package = "Google::Cloud::SecurityCenter::V1p1beta1";
 
 // Cloud Security Command Center's (Cloud SCC) representation of a Google Cloud
 // Platform (GCP) resource.
diff --git a/google/cloud/securitycenter/v1p1beta1/finding.proto b/google/cloud/securitycenter/v1p1beta1/finding.proto
index abd77df7..6428027d 100644
--- a/google/cloud/securitycenter/v1p1beta1/finding.proto
+++ b/google/cloud/securitycenter/v1p1beta1/finding.proto
@@ -29,7 +29,7 @@ option go_package = "google.golang.org/genproto/googleapis/cloud/securitycenter/
 option java_multiple_files = true;
 option java_package = "com.google.cloud.securitycenter.v1p1beta1";
 option php_namespace = "Google\\Cloud\\SecurityCenter\\V1p1beta1";
-option ruby_package = "Google::Cloud::SecurityCenter::V1p1Beta1";
+option ruby_package = "Google::Cloud::SecurityCenter::V1p1beta1";
 
 // Cloud Security Command Center (Cloud SCC) finding.
 //
diff --git a/google/cloud/securitycenter/v1p1beta1/notification_config.proto b/google/cloud/securitycenter/v1p1beta1/notification_config.proto
index c114e52c..7cbb87b2 100644
--- a/google/cloud/securitycenter/v1p1beta1/notification_config.proto
+++ b/google/cloud/securitycenter/v1p1beta1/notification_config.proto
@@ -26,7 +26,7 @@ option go_package = "google.golang.org/genproto/googleapis/cloud/securitycenter/
 option java_multiple_files = true;
 option java_package = "com.google.cloud.securitycenter.v1p1beta1";
 option php_namespace = "Google\\Cloud\\SecurityCenter\\V1p1beta1";
-option ruby_package = "Google::Cloud::SecurityCenter::V1p1Beta1";
+option ruby_package = "Google::Cloud::SecurityCenter::V1p1beta1";
 
 // The Pub/Sub Topic resource definition is in google/cloud/pubsub/v1/,
 // but we do not import that proto directly; therefore, we redefine the
diff --git a/google/cloud/securitycenter/v1p1beta1/notification_message.proto b/google/cloud/securitycenter/v1p1beta1/notification_message.proto
index ad0c50a2..3abbcef3 100644
--- a/google/cloud/securitycenter/v1p1beta1/notification_message.proto
+++ b/google/cloud/securitycenter/v1p1beta1/notification_message.proto
@@ -26,7 +26,7 @@ option go_package = "google.golang.org/genproto/googleapis/cloud/securitycenter/
 option java_multiple_files = true;
 option java_package = "com.google.cloud.securitycenter.v1p1beta1";
 option php_namespace = "Google\\Cloud\\SecurityCenter\\V1p1beta1";
-option ruby_package = "Google::Cloud::SecurityCenter::V1p1Beta1";
+option ruby_package = "Google::Cloud::SecurityCenter::V1p1beta1";
 
 // Cloud SCC's Notification
 message NotificationMessage {
diff --git a/google/cloud/securitycenter/v1p1beta1/organization_settings.proto b/google/cloud/securitycenter/v1p1beta1/organization_settings.proto
index 325f5f34..9c38b87b 100644
--- a/google/cloud/securitycenter/v1p1beta1/organization_settings.proto
+++ b/google/cloud/securitycenter/v1p1beta1/organization_settings.proto
@@ -25,7 +25,7 @@ option go_package = "google.golang.org/genproto/googleapis/cloud/securitycenter/
 option java_multiple_files = true;
 option java_package = "com.google.cloud.securitycenter.v1p1beta1";
 option php_namespace = "Google\\Cloud\\SecurityCenter\\V1p1beta1";
-option ruby_package = "Google::Cloud::SecurityCenter::V1p1Beta1";
+option ruby_package = "Google::Cloud::SecurityCenter::V1p1beta1";
 
 // User specified settings that are attached to the Cloud Security Command
 // Center (Cloud SCC) organization.
diff --git a/google/cloud/securitycenter/v1p1beta1/run_asset_discovery_response.proto b/google/cloud/securitycenter/v1p1beta1/run_asset_discovery_response.proto
index beff3d5e..b8b9ea48 100644
--- a/google/cloud/securitycenter/v1p1beta1/run_asset_discovery_response.proto
+++ b/google/cloud/securitycenter/v1p1beta1/run_asset_discovery_response.proto
@@ -25,7 +25,7 @@ option go_package = "google.golang.org/genproto/googleapis/cloud/securitycenter/
 option java_multiple_files = true;
 option java_package = "com.google.cloud.securitycenter.v1p1beta1";
 option php_namespace = "Google\\Cloud\\SecurityCenter\\V1p1beta1";
-option ruby_package = "Google::Cloud::SecurityCenter::V1p1Beta1";
+option ruby_package = "Google::Cloud::SecurityCenter::V1p1beta1";
 
 // Response of asset discovery run
 message RunAssetDiscoveryResponse {
diff --git a/google/cloud/securitycenter/v1p1beta1/security_marks.proto b/google/cloud/securitycenter/v1p1beta1/security_marks.proto
index c6a72170..ac54bc19 100644
--- a/google/cloud/securitycenter/v1p1beta1/security_marks.proto
+++ b/google/cloud/securitycenter/v1p1beta1/security_marks.proto
@@ -25,7 +25,7 @@ option go_package = "google.golang.org/genproto/googleapis/cloud/securitycenter/
 option java_multiple_files = true;
 option java_package = "com.google.cloud.securitycenter.v1p1beta1";
 option php_namespace = "Google\\Cloud\\SecurityCenter\\V1p1beta1";
-option ruby_package = "Google::Cloud::SecurityCenter::V1p1Beta1";
+option ruby_package = "Google::Cloud::SecurityCenter::V1p1beta1";
 
 // User specified security marks that are attached to the parent Cloud Security
 // Command Center (Cloud SCC) resource. Security marks are scoped within a Cloud
diff --git a/google/cloud/securitycenter/v1p1beta1/securitycenter_gapic.yaml b/google/cloud/securitycenter/v1p1beta1/securitycenter_gapic.yaml
index a9dd8cc6..a6845c9b 100644
--- a/google/cloud/securitycenter/v1p1beta1/securitycenter_gapic.yaml
+++ b/google/cloud/securitycenter/v1p1beta1/securitycenter_gapic.yaml
@@ -10,7 +10,7 @@ language_settings:
   csharp:
     package_name: Google.Cloud.SecurityCenter.V1P1Beta1
   ruby:
-    package_name: Google::Cloud::SecurityCenter::V1P1Beta1
+    package_name: Google::Cloud::SecurityCenter::V1p1beta1
   php:
     package_name: Google\Cloud\SecurityCenter\V1P1Beta1
   nodejs:
diff --git a/google/cloud/securitycenter/v1p1beta1/securitycenter_service.proto b/google/cloud/securitycenter/v1p1beta1/securitycenter_service.proto
index 728213e2..dcd9af68 100644
--- a/google/cloud/securitycenter/v1p1beta1/securitycenter_service.proto
+++ b/google/cloud/securitycenter/v1p1beta1/securitycenter_service.proto
@@ -43,7 +43,7 @@ option go_package = "google.golang.org/genproto/googleapis/cloud/securitycenter/
 option java_multiple_files = true;
 option java_package = "com.google.cloud.securitycenter.v1p1beta1";
 option php_namespace = "Google\\Cloud\\SecurityCenter\\V1p1beta1";
-option ruby_package = "Google::Cloud::SecurityCenter::V1p1Beta1";
+option ruby_package = "Google::Cloud::SecurityCenter::V1p1beta1";
 
 // V1p1Beta1 APIs for Security Center service.
 service SecurityCenter {
diff --git a/google/cloud/securitycenter/v1p1beta1/source.proto b/google/cloud/securitycenter/v1p1beta1/source.proto
index 875c2433..d591a05c 100644
--- a/google/cloud/securitycenter/v1p1beta1/source.proto
+++ b/google/cloud/securitycenter/v1p1beta1/source.proto
@@ -25,7 +25,7 @@ option go_package = "google.golang.org/genproto/googleapis/cloud/securitycenter/
 option java_multiple_files = true;
 option java_package = "com.google.cloud.securitycenter.v1p1beta1";
 option php_namespace = "Google\\Cloud\\SecurityCenter\\V1p1beta1";
-option ruby_package = "Google::Cloud::SecurityCenter::V1p1Beta1";
+option ruby_package = "Google::Cloud::SecurityCenter::V1p1beta1";
 
 // Cloud Security Command Center's (Cloud SCC) finding source. A finding source
 // is an entity or a mechanism that can produce a finding. A source is like a