diff --git a/packages/google-cloud-oslogin/protos/google/cloud/oslogin/common/common.proto b/packages/google-cloud-oslogin/protos/google/cloud/oslogin/common/common.proto
index 56233d4474da..4d9755f0d205 100644
--- a/packages/google-cloud-oslogin/protos/google/cloud/oslogin/common/common.proto
+++ b/packages/google-cloud-oslogin/protos/google/cloud/oslogin/common/common.proto
@@ -25,6 +25,7 @@ option go_package = "google.golang.org/genproto/googleapis/cloud/oslogin/common;
 option java_outer_classname = "OsLoginProto";
 option java_package = "com.google.cloud.oslogin.common";
 option php_namespace = "Google\\Cloud\\OsLogin\\Common";
+option ruby_package = "Google::Cloud::OsLogin::Common";
 
 // Define a "User" resource owned by OS Login.
 option (google.api.resource_definition) = {
diff --git a/packages/google-cloud-oslogin/protos/google/cloud/oslogin/v1/oslogin.proto b/packages/google-cloud-oslogin/protos/google/cloud/oslogin/v1/oslogin.proto
index 75d7c060518b..25e9be0a07e7 100644
--- a/packages/google-cloud-oslogin/protos/google/cloud/oslogin/v1/oslogin.proto
+++ b/packages/google-cloud-oslogin/protos/google/cloud/oslogin/v1/oslogin.proto
@@ -31,6 +31,7 @@ option java_multiple_files = true;
 option java_outer_classname = "OsLoginProto";
 option java_package = "com.google.cloud.oslogin.v1";
 option php_namespace = "Google\\Cloud\\OsLogin\\V1";
+option ruby_package = "Google::Cloud::OsLogin::V1";
 
 // Cloud OS Login API
 //
diff --git a/packages/google-cloud-oslogin/protos/google/cloud/oslogin/v1beta/oslogin.proto b/packages/google-cloud-oslogin/protos/google/cloud/oslogin/v1beta/oslogin.proto
index f42c713dee54..a5d7847466a0 100644
--- a/packages/google-cloud-oslogin/protos/google/cloud/oslogin/v1beta/oslogin.proto
+++ b/packages/google-cloud-oslogin/protos/google/cloud/oslogin/v1beta/oslogin.proto
@@ -31,6 +31,7 @@ option java_multiple_files = true;
 option java_outer_classname = "OsLoginProto";
 option java_package = "com.google.cloud.oslogin.v1beta";
 option php_namespace = "Google\\Cloud\\OsLogin\\V1beta";
+option ruby_package = "Google::Cloud::OsLogin::V1beta";
 
 // Cloud OS Login API
 //
diff --git a/packages/google-cloud-oslogin/protos/protos.json b/packages/google-cloud-oslogin/protos/protos.json
index a7324aec5df3..f5a06ee9f8a6 100644
--- a/packages/google-cloud-oslogin/protos/protos.json
+++ b/packages/google-cloud-oslogin/protos/protos.json
@@ -13,6 +13,7 @@
                     "java_outer_classname": "OsLoginProto",
                     "java_package": "com.google.cloud.oslogin.common",
                     "php_namespace": "Google\\Cloud\\OsLogin\\Common",
+                    "ruby_package": "Google::Cloud::OsLogin::Common",
                     "(google.api.resource_definition).type": "oslogin.googleapis.com/User",
                     "(google.api.resource_definition).pattern": "users/{user}"
                   },
@@ -121,7 +122,8 @@
                     "java_multiple_files": true,
                     "java_outer_classname": "OsLoginProto",
                     "java_package": "com.google.cloud.oslogin.v1",
-                    "php_namespace": "Google\\Cloud\\OsLogin\\V1"
+                    "php_namespace": "Google\\Cloud\\OsLogin\\V1",
+                    "ruby_package": "Google::Cloud::OsLogin::V1"
                   },
                   "nested": {
                     "OsLoginService": {
@@ -322,7 +324,8 @@
                     "java_multiple_files": true,
                     "java_outer_classname": "OsLoginProto",
                     "java_package": "com.google.cloud.oslogin.v1beta",
-                    "php_namespace": "Google\\Cloud\\OsLogin\\V1beta"
+                    "php_namespace": "Google\\Cloud\\OsLogin\\V1beta",
+                    "ruby_package": "Google::Cloud::OsLogin::V1beta"
                   },
                   "nested": {
                     "OsLoginService": {
diff --git a/packages/google-cloud-oslogin/synth.metadata b/packages/google-cloud-oslogin/synth.metadata
index 1413400b8acc..d08f5ad07dad 100644
--- a/packages/google-cloud-oslogin/synth.metadata
+++ b/packages/google-cloud-oslogin/synth.metadata
@@ -1,12 +1,25 @@
 {
-  "updateTime": "2020-04-11T00:37:35.035596Z",
   "sources": [
+    {
+      "git": {
+        "name": ".",
+        "remote": "https://github.com/googleapis/nodejs-os-login.git",
+        "sha": "185446a42d9f3851f67aff90dae4e15061c0313d"
+      }
+    },
+    {
+      "git": {
+        "name": "googleapis",
+        "remote": "https://github.com/googleapis/googleapis.git",
+        "sha": "1bd77e8ce6f953ac641af7966d0c52646afc16a8",
+        "internalRef": "305974465"
+      }
+    },
     {
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "6f32150677c9784f3c3a7e1949472bd29c9d72c5",
-        "log": "6f32150677c9784f3c3a7e1949472bd29c9d72c5\nfix: installs test_utils from its common repo (#480)\n\n\n74ce986d3b5431eb66985e9a00c4eb45295a4020\nfix: stop recording update_time in synth.metadata (#478)\n\n\n7f8e62aa3edd225f76347a16f92e400661fdfb52\nchore(java): release-please only updates non maven versions in README (#476)\n\nPrevent release-please and synthtool from fighting over the released library version. Synthtool updates the install snippets from the samples pom.xml files so the bots fight if they are temporarily out of sync after a release.\nc7e0e517d7f46f77bebd27da2e5afcaa6eee7e25\nbuild(java): fix nightly integration test config to run integrations (#465)\n\nThis was only running the units.\nbd69a2aa7b70875f3c988e269706b22fefbef40e\nbuild(java): fix retry_with_backoff when -e option set (#475)\n\n\nd9b173c427bfa0c6cca818233562e7e8841a357c\nfix: record version of working repo in synth.metadata (#473)\n\nPartial revert of b37cf74d12e9a42b9de9e61a4f26133d7cd9c168.\nf73a541770d95a609e5be6bf6b3b220d17cefcbe\nfeat(discogapic): allow local discovery-artifact-manager (#474)\n\n\n8cf0f5d93a70c3dcb0b4999d3152c46d4d9264bf\ndoc: describe the Autosynth & Synthtool protocol (#472)\n\n* doc: describe the Autosynth & Synthtool protocol\n\n* Accommodate review comments.\n980baaa738a1ad8fa02b4fdbd56be075ee77ece5\nfix: pin sphinx to <3.0.0 as new version causes new error (#471)\n\nThe error `toctree contains reference to document changlelog that doesn't have a title: no link will be generated` occurs as of 3.0.0. Pinning to 2.x until we address the docs build issue.\n\nTowards #470\n\nI did this manually for python-datastore https://github.com/googleapis/python-datastore/pull/22\n928b2998ac5023e7c7e254ab935f9ef022455aad\nchore(deps): update dependency com.google.cloud.samples:shared-configuration to v1.0.15 (#466)\n\nCo-authored-by: Jeffrey Rennie <rennie@google.com>\n188f1b1d53181f739b98f8aa5d40cfe99eb90c47\nfix: allow local and external deps to be specified (#469)\n\nModify noxfile.py to allow local and external dependencies for\nsystem tests to be specified.\n1df68ed6735ddce6797d0f83641a731c3c3f75b4\nfix: apache license URL (#468)\n\n\nf4a59efa54808c4b958263de87bc666ce41e415f\nfeat: Add discogapic support for GAPICBazel generation (#459)\n\n* feat: Add discogapic support for GAPICBazel generation\n\n* reformat with black\n\n* Rename source repository variable\n\nCo-authored-by: Jeffrey Rennie <rennie@google.com>\n"
+        "sha": "6f32150677c9784f3c3a7e1949472bd29c9d72c5"
       }
     }
   ],