diff --git a/lib/signet.rb b/lib/signet.rb
index b61b822..a863cb1 100644
--- a/lib/signet.rb
+++ b/lib/signet.rb
@@ -12,6 +12,7 @@
 #    See the License for the specific language governing permissions and
 #    limitations under the License.
 
+require "English"
 require "signet/version"
 
 module Signet # :nodoc: