diff --git a/WORKSPACE b/WORKSPACE
index c7d22d80..e6b4b431 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -17,14 +17,15 @@ switched_rules_by_language(
     java = True,
     nodejs = True,
     php = True,
+    ruby = True,
 )
 
 # Note gapic-generator contains java-specific and common code, that is why it is imported in common
 # section
 http_archive(
     name = "com_google_api_codegen",
-    strip_prefix = "gapic-generator-a591ce660d04b0e9c6876b9836d8aac0e9f65b6d",
-    urls = ["https://github.com/googleapis/gapic-generator/archive/a591ce660d04b0e9c6876b9836d8aac0e9f65b6d.zip"],
+    strip_prefix = "gapic-generator-90cbd714fcb0e969131ea16cc3f14073024254aa",
+    urls = ["https://github.com/googleapis/gapic-generator/archive/90cbd714fcb0e969131ea16cc3f14073024254aa.zip"],
 )
 
 ##############################################################################
diff --git a/google/cloud/dialogflow/v2/BUILD.bazel b/google/cloud/dialogflow/v2/BUILD.bazel
index dffd1c7b..2fe8d6a3 100644
--- a/google/cloud/dialogflow/v2/BUILD.bazel
+++ b/google/cloud/dialogflow/v2/BUILD.bazel
@@ -239,3 +239,46 @@ nodejs_gapic_assembly_pkg(
         ":dialogflow_proto",
     ],
 )
+
+##############################################################################
+# Ruby
+##############################################################################
+load(
+    "@com_google_googleapis_imports//:imports.bzl",
+    "ruby_proto_library",
+    "ruby_grpc_library",
+    "ruby_gapic_library",
+    "ruby_gapic_assembly_pkg",
+)
+
+ruby_proto_library(
+    name = "dialogflow_ruby_proto",
+    deps = [":dialogflow_proto"],
+)
+
+ruby_grpc_library(
+    name = "dialogflow_ruby_grpc",
+    srcs = [":dialogflow_proto"],
+    deps = [":dialogflow_ruby_proto"],
+)
+
+ruby_gapic_library(
+    name = "dialogflow_ruby_gapic",
+    src = ":dialogflow_proto_with_info",
+    gapic_yaml = "dialogflow_gapic.yaml",
+    service_yaml = "//google/cloud/dialogflow:dialogflow_v2.yaml",
+    deps = [
+        ":dialogflow_ruby_grpc",
+        ":dialogflow_ruby_proto",
+    ],
+)
+
+# Opensource Packages
+ruby_gapic_assembly_pkg(
+    name = "google-cloud-dialogflow-v2-ruby",
+    deps = [
+        ":dialogflow_ruby_gapic",
+        ":dialogflow_ruby_grpc",
+        ":dialogflow_ruby_proto",
+    ],
+)
\ No newline at end of file
diff --git a/google/cloud/dialogflow/v2beta1/BUILD.bazel b/google/cloud/dialogflow/v2beta1/BUILD.bazel
index 33699564..cea7fb81 100644
--- a/google/cloud/dialogflow/v2beta1/BUILD.bazel
+++ b/google/cloud/dialogflow/v2beta1/BUILD.bazel
@@ -27,6 +27,7 @@ proto_library(
         "//google/longrunning:operations_proto",
         "//google/rpc:status_proto",
         "//google/type:latlng_proto",
+        "//google/api:field_behavior_proto",
         "@com_google_protobuf//:duration_proto",
         "@com_google_protobuf//:empty_proto",
         "@com_google_protobuf//:field_mask_proto",
diff --git a/google/cloud/language/v1/BUILD.bazel b/google/cloud/language/v1/BUILD.bazel
index 5766b644..435d452f 100644
--- a/google/cloud/language/v1/BUILD.bazel
+++ b/google/cloud/language/v1/BUILD.bazel
@@ -154,7 +154,7 @@ php_gapic_library(
     gapic_yaml = "language_gapic.yaml",
     service_yaml = "//google/cloud/language:language_v1.yaml",
     deps = [
-        ":langauge_php_grpc",
+        ":language_php_grpc",
         ":language_php_proto",
     ],
 )
@@ -194,3 +194,44 @@ nodejs_gapic_assembly_pkg(
     ],
 )
 
+##############################################################################
+# Ruby
+##############################################################################
+load(
+    "@com_google_googleapis_imports//:imports.bzl",
+    "ruby_proto_library",
+    "ruby_grpc_library",
+    "ruby_gapic_library",
+    "ruby_gapic_assembly_pkg",
+)
+
+ruby_proto_library(
+    name = "language_ruby_proto",
+    deps = [":language_proto"],
+)
+
+ruby_grpc_library(
+    name = "language_ruby_grpc",
+    srcs = [":language_proto"],
+    deps = [":language_ruby_proto"],
+)
+
+ruby_gapic_library(
+    name = "language_ruby_gapic",
+    src = ":language_proto_with_info",
+    gapic_yaml = "language_gapic.yaml",
+    service_yaml = "//google/cloud/language:language_v1.yaml",
+    deps = [
+        ":langauge_ruby_grpc",
+        ":language_ruby_proto",
+    ],
+)
+
+ruby_gapic_assembly_pkg(
+    name = "google-cloud-language-v1-ruby",
+    deps = [
+        ":language_ruby_gapic",
+        ":language_ruby_grpc",
+        ":language_ruby_proto",
+    ],
+)
diff --git a/google/pubsub/v1/BUILD.bazel b/google/pubsub/v1/BUILD.bazel
index 78d98d27..d43783dc 100644
--- a/google/pubsub/v1/BUILD.bazel
+++ b/google/pubsub/v1/BUILD.bazel
@@ -218,6 +218,49 @@ nodejs_gapic_assembly_pkg(
     ],
 )
 
+##############################################################################
+# Ruby
+##############################################################################
+load(
+    "@com_google_googleapis_imports//:imports.bzl",
+    "ruby_proto_library",
+    "ruby_grpc_library",
+    "ruby_gapic_library",
+    "ruby_gapic_assembly_pkg",
+)
+
+ruby_proto_library(
+    name = "pubsub_ruby_proto",
+    deps = [":pubsub_proto"],
+)
+
+ruby_grpc_library(
+    name = "pubsub_ruby_grpc",
+    srcs = [":pubsub_proto"],
+    deps = [":pubsub_ruby_proto"],
+)
+
+ruby_gapic_library(
+    name = "pubsub_ruby_gapic",
+    src = ":pubsub_proto_with_info",
+    gapic_yaml = "pubsub_gapic.yaml",
+    service_yaml = "//google/pubsub:pubsub.yaml",
+    deps = [
+        ":pubsub_ruby_grpc",
+        ":pubsub_ruby_proto",
+    ],
+)
+
+# Opensource Packages
+ruby_gapic_assembly_pkg(
+    name = "google-cloud-pubsub-v1-ruby",
+    deps = [
+        ":pubsub_ruby_gapic",
+        ":pubsub_ruby_grpc",
+        ":pubsub_ruby_proto",
+    ],
+)
+
 ##############################################################################
 # C++
 ##############################################################################
@@ -235,6 +278,6 @@ cc_proto_library(
 cc_grpc_library(
     name = "pubsub_cc_grpc",
     srcs = [":pubsub_proto"],
-    deps = [":pubsub_cc_proto"],
     grpc_only = True,
+    deps = [":pubsub_cc_proto"],
 )
diff --git a/repository_rules.bzl b/repository_rules.bzl
index 5a9adcb8..066a3c3c 100644
--- a/repository_rules.bzl
+++ b/repository_rules.bzl
@@ -92,10 +92,11 @@ def switched_rules_by_language(
             this rule. False by default.
         java (bool): Enable Java specific rules. False by default.
         go (bool): Enable Go specific rules. False by default.
-        cc (bool): Enable C++ specific rules. False by default. Partially implemented.
+        cc (bool): Enable C++ specific rules. False by default. Partially implemented (no GAPIC
+            support).
         php (bool): Enable PHP specific rules. False by default.
         nodejs (bool): Enable Node.js specific rules. False by default.
-        ruby (bool): Enable Ruby specific rules. False by default. Not implemented yet.
+        ruby (bool): Enable Ruby specific rules. False by default.
         python (bool): Enable Python-specific rules. False by default. Not implemented yet.
         csharp (bool): Enable C# specific rules. False by default. Not implemented yet.
         rules_override (dict): Custom rule overrides (for advanced usage).
@@ -216,6 +217,26 @@ def switched_rules_by_language(
         "@com_google_api_codegen//rules_gapic/nodejs:nodejs_gapic_pkg.bzl",
     )
 
+    #
+    # Ruby
+    #
+    rules["ruby_proto_library"] = _switch(
+        ruby,
+        "@com_google_api_codegen//rules_gapic/ruby:ruby_gapic.bzl",
+    )
+    rules["ruby_grpc_library"] = _switch(
+        ruby and grpc,
+        "@com_google_api_codegen//rules_gapic/ruby:ruby_gapic.bzl",
+    )
+    rules["ruby_gapic_library"] = _switch(
+        ruby and grpc and gapic,
+        "@com_google_api_codegen//rules_gapic/ruby:ruby_gapic.bzl",
+    )
+    rules["ruby_gapic_assembly_pkg"] = _switch(
+        ruby and grpc and gapic,
+        "@com_google_api_codegen//rules_gapic/ruby:ruby_gapic_pkg.bzl",
+    )
+
     rules.update(rules_override)
 
     switched_rules(