diff --git a/gnu/packages/ruby.scm b/gnu/packages/ruby.scm
index ada47b7ef6..fac2e861a6 100644
--- a/gnu/packages/ruby.scm
+++ b/gnu/packages/ruby.scm
@@ -929,13 +929,13 @@ Ruby Gems.")
 (define-public ruby-ffi
   (package
     (name "ruby-ffi")
-    (version "1.9.14")
+    (version "1.9.18")
     (source (origin
               (method url-fetch)
               (uri (rubygems-uri "ffi" version))
               (sha256
                (base32
-                "1nkcrmxqr0vb1y4rwliclwlj2ajsi4ddpdx2gvzjy0xbkk5iqzfp"))))
+                "034f52xf7zcqgbvwbl20jwdyjwznvqnwpbaps9nk18v9lgb1dpx0"))))
     (build-system ruby-build-system)
     ;; FIXME: Before running tests the build system attempts to build libffi
     ;; from sources.