diff --git a/gnu/packages/emacs-xyz.scm b/gnu/packages/emacs-xyz.scm
index 932170f13631f58974e9b0eb3fab970d47dac3cc..22f8f149f955d4ca16cf30b4d7cda407977e7304 100644
--- a/gnu/packages/emacs-xyz.scm
+++ b/gnu/packages/emacs-xyz.scm
@@ -10404,7 +10404,7 @@ (define-public emacs-dired-sidebar
 (define-public emacs-which-key
   (package
     (name "emacs-which-key")
-    (version "3.3.1")
+    (version "3.4.0")
     (source
      (origin
        (method git-fetch)
@@ -10413,7 +10413,7 @@ (define-public emacs-which-key
              (commit (string-append "v" version))))
        (file-name (git-file-name name version))
        (sha256
-        (base32 "1dh6kr00wmql46whjkvnl953zngiv5j99ypvr1b3cb2174623afb"))))
+        (base32 "1ahgb7dqdc75farkl0fg0a6hvx2067gdvjq99cd3z2dz56km0p05"))))
     (build-system emacs-build-system)
     (arguments
      `(#:tests? #t