diff --git a/gnu/packages/ruby.scm b/gnu/packages/ruby.scm
index 49e0b9fe73..481495bba0 100644
--- a/gnu/packages/ruby.scm
+++ b/gnu/packages/ruby.scm
@@ -14,6 +14,7 @@
 ;;; Copyright © 2018 Vasile Dumitrascu <va511e@yahoo.com>
 ;;; Copyright © 2018 Alex Vong <alexvong1995@gmail.com>
 ;;; Copyright © 2019 Pierre Neidhardt <mail@ambrevar.xyz>
+;;; Copyright © 2019 Mikhail Kirillov <w96k.ru@gmail.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -1081,24 +1082,6 @@ code in Merb and Rails.")
     (home-page "https://github.com/jnunemaker/crack")
     (license license:expat)))
 
-(define-public ruby-crass
-  (package
-    (name "ruby-crass")
-    (version "1.0.4")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (rubygems-uri "crass" version))
-       (sha256
-        (base32
-         "0bpxzy6gjw9ggjynlxschbfsgmx8lv3zw1azkjvnb8b9i895dqfi"))))
-    (build-system ruby-build-system)
-    (synopsis "Pure Ruby CSS parser based on CSS Syntax Level 3")
-    (description
-     "Crass is a pure Ruby CSS parser based on the CSS Syntax Level 3 spec.")
-    (home-page "https://github.com/rgrove/crass/")
-    (license license:expat)))
-
 (define-public ruby-cliver
   (package
     (name "ruby-cliver")
@@ -8725,3 +8708,32 @@ app to deliver to smtp://127.0.0.1:1025 instead of your default SMTP server,
 then check out http://127.0.0.1:1080 to see the mail.")
     (home-page "https://mailcatcher.me")
     (license license:expat)))
+
+(define-public ruby-backport
+  (package
+    (name "ruby-backport")
+    (version "1.1.1")
+    (source
+     (origin
+       ;; The gem does not include test code, so fetch from the Git repository
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/castwide/backport.git")
+             (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32
+         "0ii3y1wx1n48nd2mhlv0v61b2m21h7dg30if9vc2idza7k4afyw8"))))
+    (build-system ruby-build-system)
+    (arguments
+     `(#:test-target "spec"))
+    (native-inputs
+     `(("bundler" ,bundler)
+       ("ruby-rspec" ,ruby-rspec)))
+    (inputs
+     `(("ruby-simplecov" ,ruby-simplecov)))
+    (synopsis "Pure Ruby library for event-driven IO")
+    (description
+     "This package provides a pure Ruby library for event-driven IO.")
+    (home-page "https://github.com/castwide/backport")
+    (license license:expat)))