diff --git a/gnu/packages/ruby.scm b/gnu/packages/ruby.scm
index 3bd91f086b..19b23fe665 100644
--- a/gnu/packages/ruby.scm
+++ b/gnu/packages/ruby.scm
@@ -2272,7 +2272,7 @@ aware transformations between times in different time zones.")
 (define-public ruby-tzinfo-data
   (package
     (name "ruby-tzinfo-data")
-    (version "1.2016.9")
+    (version "1.2017.3")
     (source
      (origin
        (method url-fetch)
@@ -2285,7 +2285,7 @@ aware transformations between times in different time zones.")
        (file-name (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "0i8vz2j7wmcpr4pd066qvlg4if5blscjrgxk2imavfa49nq5lp06"))
+         "01wff7syqzikbxalbg3isgxasmvzicr85bzadzkb6bf20bip4v54"))
        ;; Remove the known test failure.
        ;; https://github.com/tzinfo/tzinfo-data/issues/10
        ;; https://bugs.launchpad.net/ubuntu/+source/glibc/+bug/1587128