diff --git a/gnu/packages/python.scm b/gnu/packages/python.scm
index f6042d97f24e8b09c98c04f8fc33436b1c0043e9..5d629d280eaf4d429845bfff3dfd70745198dcdc 100644
--- a/gnu/packages/python.scm
+++ b/gnu/packages/python.scm
@@ -6532,7 +6532,7 @@ (define-public python2-markdown
 (define-public python-ptyprocess
   (package
     (name "python-ptyprocess")
-    (version "0.5")
+    (version "0.5.1")
     (source
      (origin
        (method url-fetch)
@@ -6541,7 +6541,7 @@ (define-public python-ptyprocess
              version ".tar.gz"))
        (sha256
         (base32
-         "0nggns5kikn32yyda2zrj1xdmh49pi3v0drggcdwljbv36r8zdyw"))))
+         "19l1xrjn4l9gjz01s3vg92gn2dd9d8mw1v86ppkzlnr9m5iwwc05"))))
     (build-system python-build-system)
     (native-inputs
      `(("python-nose" ,python-nose)))