diff --git a/apis/Google.Cloud.Trace.V1/Google.Cloud.Trace.V1/Trace.cs b/apis/Google.Cloud.Trace.V1/Google.Cloud.Trace.V1/Trace.cs
index 0050d1c1cf1b..7f664bd79b36 100644
--- a/apis/Google.Cloud.Trace.V1/Google.Cloud.Trace.V1/Trace.cs
+++ b/apis/Google.Cloud.Trace.V1/Google.Cloud.Trace.V1/Trace.cs
@@ -25,11 +25,11 @@ public static partial class TraceReflection {
       byte[] descriptorData = global::System.Convert.FromBase64String(
           string.Concat(
             "Cilnb29nbGUvZGV2dG9vbHMvY2xvdWR0cmFjZS92MS90cmFjZS5wcm90bxId",
-            "Z29vZ2xlLmRldnRvb2xzLmNsb3VkdHJhY2UudjEaHGdvb2dsZS9hcGkvYW5u",
-            "b3RhdGlvbnMucHJvdG8aF2dvb2dsZS9hcGkvY2xpZW50LnByb3RvGh9nb29n",
-            "bGUvYXBpL2ZpZWxkX2JlaGF2aW9yLnByb3RvGhlnb29nbGUvYXBpL3Jlc291",
-            "cmNlLnByb3RvGhtnb29nbGUvcHJvdG9idWYvZW1wdHkucHJvdG8aH2dvb2ds",
-            "ZS9wcm90b2J1Zi90aW1lc3RhbXAucHJvdG8iZgoFVHJhY2USEgoKcHJvamVj",
+            "Z29vZ2xlLmRldnRvb2xzLmNsb3VkdHJhY2UudjEaF2dvb2dsZS9hcGkvY2xp",
+            "ZW50LnByb3RvGh9nb29nbGUvYXBpL2ZpZWxkX2JlaGF2aW9yLnByb3RvGhln",
+            "b29nbGUvYXBpL3Jlc291cmNlLnByb3RvGhtnb29nbGUvcHJvdG9idWYvZW1w",
+            "dHkucHJvdG8aH2dvb2dsZS9wcm90b2J1Zi90aW1lc3RhbXAucHJvdG8aHGdv",
+            "b2dsZS9hcGkvYW5ub3RhdGlvbnMucHJvdG8iZgoFVHJhY2USEgoKcHJvamVj",
             "dF9pZBgBIAEoCRIQCgh0cmFjZV9pZBgCIAEoCRI3CgVzcGFucxgDIAMoCzIo",
             "Lmdvb2dsZS5kZXZ0b29scy5jbG91ZHRyYWNlLnYxLlRyYWNlU3BhbiI+CgZU",
             "cmFjZXMSNAoGdHJhY2VzGAEgAygLMiQuZ29vZ2xlLmRldnRvb2xzLmNsb3Vk",
@@ -79,7 +79,7 @@ public static partial class TraceReflection {
             "cmFjZS5WMcoCFUdvb2dsZVxDbG91ZFxUcmFjZVxWMeoCGEdvb2dsZTo6Q2xv",
             "dWQ6OlRyYWNlOjpWMWIGcHJvdG8z"));
       descriptor = pbr::FileDescriptor.FromGeneratedCode(descriptorData,
-          new pbr::FileDescriptor[] { global::Google.Api.AnnotationsReflection.Descriptor, global::Google.Api.ClientReflection.Descriptor, global::Google.Api.FieldBehaviorReflection.Descriptor, global::Google.Api.ResourceReflection.Descriptor, global::Google.Protobuf.WellKnownTypes.EmptyReflection.Descriptor, global::Google.Protobuf.WellKnownTypes.TimestampReflection.Descriptor, },
+          new pbr::FileDescriptor[] { global::Google.Api.ClientReflection.Descriptor, global::Google.Api.FieldBehaviorReflection.Descriptor, global::Google.Api.ResourceReflection.Descriptor, global::Google.Protobuf.WellKnownTypes.EmptyReflection.Descriptor, global::Google.Protobuf.WellKnownTypes.TimestampReflection.Descriptor, global::Google.Api.AnnotationsReflection.Descriptor, },
           new pbr::GeneratedClrTypeInfo(null, null, new pbr::GeneratedClrTypeInfo[] {
             new pbr::GeneratedClrTypeInfo(typeof(global::Google.Cloud.Trace.V1.Trace), global::Google.Cloud.Trace.V1.Trace.Parser, new[]{ "ProjectId", "TraceId", "Spans" }, null, null, null, null),
             new pbr::GeneratedClrTypeInfo(typeof(global::Google.Cloud.Trace.V1.Traces), global::Google.Cloud.Trace.V1.Traces.Parser, new[]{ "Traces_" }, null, null, null, null),
diff --git a/apis/Google.Cloud.Trace.V1/Google.Cloud.Trace.V1/TraceGrpc.cs b/apis/Google.Cloud.Trace.V1/Google.Cloud.Trace.V1/TraceGrpc.cs
index 8d352da4fe79..f42200c6fcc2 100644
--- a/apis/Google.Cloud.Trace.V1/Google.Cloud.Trace.V1/TraceGrpc.cs
+++ b/apis/Google.Cloud.Trace.V1/Google.Cloud.Trace.V1/TraceGrpc.cs
@@ -3,7 +3,7 @@
 //     source: google/devtools/cloudtrace/v1/trace.proto
 // </auto-generated>
 // Original file comments:
-// Copyright 2019 Google LLC.
+// Copyright 2020 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apis/Google.Cloud.Trace.V1/synth.metadata b/apis/Google.Cloud.Trace.V1/synth.metadata
index f6f22c0240fd..669e1bc86deb 100644
--- a/apis/Google.Cloud.Trace.V1/synth.metadata
+++ b/apis/Google.Cloud.Trace.V1/synth.metadata
@@ -4,7 +4,7 @@
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "7272af32a96a42fe5bb9452360e32ae95718abc2"        
+        "sha": "13d3b3ace10bd5a4865094ad2ba5e62b02e1e6bf"        
       }
     }
   ]