diff --git a/gnu/packages/ocaml.scm b/gnu/packages/ocaml.scm
index 5cda73e004..2b083f0377 100644
--- a/gnu/packages/ocaml.scm
+++ b/gnu/packages/ocaml.scm
@@ -1718,7 +1718,7 @@ full_split, cut, rcut, etc..")
 (define dune-bootstrap
   (package
     (name "dune")
-    (version "3.4.1")
+    (version "3.5.0")
     (source (origin
               (method git-fetch)
               (uri (git-reference
@@ -1727,7 +1727,7 @@ full_split, cut, rcut, etc..")
               (file-name (git-file-name name version))
               (sha256
                (base32
-                "02zn79l7y7rvy7b6bimlf5qymrvzc43w8q7l4jx3k8wzn2g5326z"))))
+                "10fpybiqqkmm7y9xmhy4qs451dydmffcjg13k7w8g2p9dd09jb6l"))))
     (build-system ocaml-build-system)
     (arguments
      `(#:tests? #f; require odoc