diff --git a/security/Makefile b/security/Makefile
index 1c06840c71ae..7498c2226aee 100644
--- a/security/Makefile
+++ b/security/Makefile
@@ -1004,6 +1004,7 @@
     SUBDIR += rubygem-doorkeeper
     SUBDIR += rubygem-encryptor
     SUBDIR += rubygem-ezcrypto
+    SUBDIR += rubygem-googleauth
     SUBDIR += rubygem-gpgr
     SUBDIR += rubygem-gssapi
     SUBDIR += rubygem-jugyo-twitter_oauth
diff --git a/security/rubygem-googleauth/Makefile b/security/rubygem-googleauth/Makefile
new file mode 100644
index 000000000000..b7ccfd1a1801
--- /dev/null
+++ b/security/rubygem-googleauth/Makefile
@@ -0,0 +1,27 @@
+# Created by: Po-Chuan Hsieh <sunpoet@FreeBSD.org>
+# $FreeBSD$
+
+PORTNAME=	googleauth
+PORTVERSION=	0.5.1
+CATEGORIES=	security rubygems
+MASTER_SITES=	RG
+
+MAINTAINER=	sunpoet@FreeBSD.org
+COMMENT=	Google Auth Library for Ruby
+
+LICENSE=	APACHE20
+LICENSE_FILE=	${WRKSRC}/COPYING
+
+RUN_DEPENDS=	rubygem-faraday>=0.9:www/rubygem-faraday \
+		rubygem-jwt>=1.4:www/rubygem-jwt \
+		rubygem-logging>=2.0:devel/rubygem-logging \
+		rubygem-memoist>=0.12:devel/rubygem-memoist \
+		rubygem-multi_json>=1.11:devel/rubygem-multi_json \
+		rubygem-os>=0.9:devel/rubygem-os \
+		rubygem-signet>=0.7:security/rubygem-signet
+
+NO_ARCH=	yes
+USE_RUBY=	yes
+USES=		gem
+
+.include <bsd.port.mk>
diff --git a/security/rubygem-googleauth/distinfo b/security/rubygem-googleauth/distinfo
new file mode 100644
index 000000000000..36fa8317bcf4
--- /dev/null
+++ b/security/rubygem-googleauth/distinfo
@@ -0,0 +1,3 @@
+TIMESTAMP = 1489867882
+SHA256 (rubygem/googleauth-0.5.1.gem) = 557c05fc01b6458344ab1aa162f95ddfabcb9d0c4c2415b5342c98a08779f3db
+SIZE (rubygem/googleauth-0.5.1.gem) = 36352
diff --git a/security/rubygem-googleauth/files/patch-gemspec b/security/rubygem-googleauth/files/patch-gemspec
new file mode 100644
index 000000000000..d234e7569ebd
--- /dev/null
+++ b/security/rubygem-googleauth/files/patch-gemspec
@@ -0,0 +1,11 @@
+--- googleauth.gemspec.orig	2017-03-18 22:47:37 UTC
++++ googleauth.gemspec
+@@ -27,7 +27,7 @@ Gem::Specification.new do |s|
+       s.add_runtime_dependency(%q<jwt>.freeze, ["~> 1.4"])
+       s.add_runtime_dependency(%q<memoist>.freeze, ["~> 0.12"])
+       s.add_runtime_dependency(%q<multi_json>.freeze, ["~> 1.11"])
+-      s.add_runtime_dependency(%q<os>.freeze, ["~> 0.9"])
++      s.add_runtime_dependency(%q<os>.freeze, [">= 0.9"])
+       s.add_runtime_dependency(%q<signet>.freeze, ["~> 0.7"])
+     else
+       s.add_dependency(%q<faraday>.freeze, ["~> 0.9"])
diff --git a/security/rubygem-googleauth/pkg-descr b/security/rubygem-googleauth/pkg-descr
new file mode 100644
index 000000000000..c926cbe0f2ba
--- /dev/null
+++ b/security/rubygem-googleauth/pkg-descr
@@ -0,0 +1,7 @@
+This is Google's officially supported ruby client library for using OAuth 2.0
+authorization and authentication with Google APIs. It allows simple
+authorization for accessing Google APIs and provides support for Application
+Default Credentials, as described at
+https://developers.google.com/accounts/docs/application-default-credentials
+
+WWW: https://github.com/google/google-auth-library-ruby