diff --git a/gnu/packages/ruby.scm b/gnu/packages/ruby.scm
index ef6cc24f7f..3ead6d710b 100644
--- a/gnu/packages/ruby.scm
+++ b/gnu/packages/ruby.scm
@@ -3036,14 +3036,14 @@ you about the changes.")
 (define-public ruby-activesupport
   (package
     (name "ruby-activesupport")
-    (version "5.1.4")
+    (version "5.2.1")
     (source
      (origin
        (method url-fetch)
        (uri (rubygems-uri "activesupport" version))
        (sha256
         (base32
-         "0sgf4rsfr7jcaqsx0wwzx4l4k9xsjlwv0mzl08pxiyp1qzyx8scr"))))
+         "0ziy6xk31k4fs115cdkba1ys4i8nzcyri7a2jig7nx7k5h7li6l2"))))
     (build-system ruby-build-system)
     (arguments
      `(#:phases