diff --git a/gnu/packages/games.scm b/gnu/packages/games.scm
index cb21a66133..3ec7f18fa2 100644
--- a/gnu/packages/games.scm
+++ b/gnu/packages/games.scm
@@ -1050,7 +1050,7 @@ (define-public ltris
 (define-public nethack
   (package
     (name "nethack")
-    (version "3.6.4")
+    (version "3.6.5")
     (source
       (origin
         (method url-fetch)
@@ -1058,7 +1058,7 @@ (define-public nethack
          (string-append "https://www.nethack.org/download/" version "/nethack-"
                         (string-join (string-split version #\.) "") "-src.tgz"))
         (sha256
-          (base32 "0ndxgnsprwgjnk0qb24iljkpijnfncgvfb3h3zb129h3cs2anc85"))))
+          (base32 "0xifs8pqfffnmkbpmrcd1xf14yakcj06nl2bbhy4dyacg8myysmv"))))
     (inputs
       `(("ncurses" ,ncurses)
         ("bison" ,bison)