diff --git a/src/v1/database_admin_client.js b/src/v1/database_admin_client.js
index 80a877c61..eb03b2514 100644
--- a/src/v1/database_admin_client.js
+++ b/src/v1/database_admin_client.js
@@ -86,7 +86,7 @@ class DatabaseAdminClient {
 
     // Determine the client header string.
     const clientHeader = [
-      `gl-node/${process.version}`,
+      `gl-node/${process.versions.node}`,
       `grpc/${gaxGrpc.grpcVersion}`,
       `gax/${gax.version}`,
       `gapic/${VERSION}`,
diff --git a/src/v1/instance_admin_client.js b/src/v1/instance_admin_client.js
index 4932acdfd..1f9f9fed8 100644
--- a/src/v1/instance_admin_client.js
+++ b/src/v1/instance_admin_client.js
@@ -102,7 +102,7 @@ class InstanceAdminClient {
 
     // Determine the client header string.
     const clientHeader = [
-      `gl-node/${process.version}`,
+      `gl-node/${process.versions.node}`,
       `grpc/${gaxGrpc.grpcVersion}`,
       `gax/${gax.version}`,
       `gapic/${VERSION}`,
diff --git a/src/v1/spanner_client.js b/src/v1/spanner_client.js
index 6cd7e4154..950d10805 100644
--- a/src/v1/spanner_client.js
+++ b/src/v1/spanner_client.js
@@ -84,7 +84,7 @@ class SpannerClient {
 
     // Determine the client header string.
     const clientHeader = [
-      `gl-node/${process.version}`,
+      `gl-node/${process.versions.node}`,
       `grpc/${gaxGrpc.grpcVersion}`,
       `gax/${gax.version}`,
       `gapic/${VERSION}`,
diff --git a/synth.metadata b/synth.metadata
index e7134f14e..31058d0ac 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -1,19 +1,19 @@
 {
-  "updateTime": "2019-08-08T11:23:30.497203Z",
+  "updateTime": "2019-08-21T11:23:03.636217Z",
   "sources": [
     {
       "generator": {
         "name": "artman",
-        "version": "0.33.0",
-        "dockerImage": "googleapis/artman@sha256:c6231efb525569736226b1f7af7565dbc84248efafb3692a5bb1d2d8a7975d53"
+        "version": "0.34.0",
+        "dockerImage": "googleapis/artman@sha256:38a27ba6245f96c3e86df7acb2ebcc33b4f186d9e475efe2d64303aec3d4e0ea"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "7e56e8d4fec63bb04ab4f79a98f65b29f235a0a0",
-        "internalRef": "262242585"
+        "sha": "11592a15391951348a64f5c303399733b1c5b3b2",
+        "internalRef": "264425502"
       }
     },
     {