diff --git a/gnu/packages/networking.scm b/gnu/packages/networking.scm
index 0f35bca9f3..9d657bc69d 100644
--- a/gnu/packages/networking.scm
+++ b/gnu/packages/networking.scm
@@ -4813,7 +4813,7 @@ (define-public phantomsocks
 (define-public putty
   (package
     (name "putty")
-    (version "0.79")
+    (version "0.81")
     (source
      (origin
        (method url-fetch)
@@ -4822,7 +4822,7 @@ (define-public putty
                   (string-append "http://www.putty.be/" version
                                  "/putty-" version ".tar.gz")))
        (sha256
-        (base32 "1n7h1vprayfgjr21ccsv77g71k8dk10n69y99azqx4xvdxkci322"))))
+        (base32 "1zirfs2zh1jj2i7jcdkyvnq6pliyg8fjipx38pir8d259ylh12yb"))))
     (build-system cmake-build-system)
     (arguments
      `(#:phases