diff --git a/CHANGES.md b/CHANGES.md
index 329b2dc..901df90 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,8 @@
+dev
+---
+
+* Port build to dune from jbuilder (@avsm)
+
 2.2.0 (2018-07-15)
 ------------------
 
diff --git a/Makefile b/Makefile
index a5f761f..93b4f0c 100644
--- a/Makefile
+++ b/Makefile
@@ -2,15 +2,15 @@ INSTALL_ARGS := $(if $(PREFIX),--prefix $(PREFIX),)
 
 .PHONY: all
 all:
-	jbuilder build @install
+	dune build
 
 .PHONY: install
 install:
-	jbuilder install $(INSTALL_ARGS)
+	dune install $(INSTALL_ARGS)
 
 .PHONY: uninstall
 uninstall:
-	jbuilder uninstall $(INSTALL_ARGS)
+	dune uninstall $(INSTALL_ARGS)
 
 .PHONY: reinstall
 reinstall:
@@ -20,15 +20,15 @@ reinstall:
 
 .PHONY: examples
 examples:
-	jbuilder build @examples
+	dune build @examples
 
 .PHONY: test
 test:
-	jbuilder runtest
+	dune runtest
 
 .PHONY: all-supported-ocaml-versions
 all-supported-ocaml-versions:
-	jbuilder build --workspace jbuild-workspace.dev
+	dune build --workspace dune-workspace.dev
 
 .PHONY: cinaps
 cinaps:
diff --git a/README.md b/README.md
index 127f098..f3f48cd 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,7 @@ Dependencies
 ------------
 
 * [OCaml](http://caml.inria.fr/ocaml/) (>= 4.02.3)
-* [Jbuilder](http://github.com/janestreet/jbuilder)
+* [Dune](http://github.com/ocaml/dune)
 * [findlib](http://projects.camlcity.org/projects/findlib.html) (>= 1.4.0)
 * [cppo](http://mjambon.com/cppo.html) (>= 1.0.1)
 * [react](http://erratique.ch/software/react)
@@ -209,29 +209,29 @@ It shall point to the directory `stublibs` inside your ocaml installation.
 Creating a custom utop-enabled toplevel
 ---------------------------------------
 
-### With jbuilder
+### With Dune
 
 The recommended way to build a custom utop toplevel is via
-[jbuilder][jbuilder]. The entry point of the custom utop must call
+[Dune][dune]. The entry point of the custom utop must call
 `UTop_main.main`. For instance write the following `myutop.ml` file:
 
 ```ocaml
 let () = UTop_main.main ()
 ```
 
-and the following jbuild file:
+and the following dune file:
 
 ```scheme
 (executable
- ((name myutop)
-  (link_flags (-linkall))
-  (libraries (utop))))
+ (name myutop)
+ (link_flags -linkall)
+ (libraries utop))
 ```
 
 then to build the toplevel, run:
 
 ```
-$ jbuilder myutop.bc
+$ dune myutop.bc
 ```
 
 Note the `-linkall` in the link flags. By default OCaml doesn't link
@@ -241,19 +241,19 @@ the user is going to use so you must link everything.
 If you want to include more libraries in your custom utop, simply add
 them to the `(libraries ...)` field.
 
-Additionally, if you want to install this topevel, add the two
+Additionally, if you want to install this toplevel, add the two
 following fields to the executable stanza:
 
 ```scheme
   (public_name myutop)
-  (modes (byte))
+  (modes byte)
 ```
 
-The `(modes ...)` field is to tell jbuilder to install the byte-code
+The `(modes ...)` field is to tell dune to install the byte-code
 version of the executable, as currently native toplevels are not fully
 suported.
 
-[jbuilder]: https://github.com/janestreet/jbuilder
+[dune]: https://github.com/ocaml/dune
 
 ### Manually, with ocamlfind
 
diff --git a/dune b/dune
new file mode 100644
index 0000000..f921a24
--- /dev/null
+++ b/dune
@@ -0,0 +1,12 @@
+(install
+ (section share)
+ (files utoprc-dark utoprc-light))
+
+(install
+ (section share_root)
+ (files
+  (src/top/utop.el as emacs/site-lisp/utop.el)))
+
+(alias
+ (name examples)
+ (deps examples/custom-utop/myutop.bc examples/interact/test_program.bc))
diff --git a/dune-workspace.dev b/dune-workspace.dev
new file mode 100644
index 0000000..59b0386
--- /dev/null
+++ b/dune-workspace.dev
@@ -0,0 +1,8 @@
+(lang dune 1.0)
+;; This file is used by `make all-supported-ocaml-versions`
+(context (opam (switch 4.02.3)))
+(context (opam (switch 4.03.0)))
+(context (opam (switch 4.04.2)))
+(context (opam (switch 4.05.0)))
+(context (opam (switch 4.06.1)))
+(context (opam (switch 4.07.0)))
diff --git a/examples/custom-utop/README.md b/examples/custom-utop/README.md
index d356a18..a21faba 100644
--- a/examples/custom-utop/README.md
+++ b/examples/custom-utop/README.md
@@ -1,3 +1,3 @@
 To build the custom toplevel in this directory, run:
 
-    $ jbuilder myutop.bc
+    $ dune build myutop.bc
diff --git a/examples/custom-utop/dune b/examples/custom-utop/dune
new file mode 100644
index 0000000..3da237b
--- /dev/null
+++ b/examples/custom-utop/dune
@@ -0,0 +1,5 @@
+(executable
+ (name myutop)
+ (flags :standard -safe-string)
+ (link_flags -linkall)
+ (libraries utop))
diff --git a/examples/custom-utop/jbuild b/examples/custom-utop/jbuild
deleted file mode 100644
index 3da432d..0000000
--- a/examples/custom-utop/jbuild
+++ /dev/null
@@ -1,7 +0,0 @@
-(jbuild_version 1)
-
-(executable
- ((name myutop)
-  (flags (:standard -safe-string))
-  (link_flags (-linkall))
-  (libraries (utop))))
diff --git a/examples/interact/dune b/examples/interact/dune
new file mode 100644
index 0000000..335158a
--- /dev/null
+++ b/examples/interact/dune
@@ -0,0 +1,5 @@
+(executable
+ (name test_program)
+ (flags :standard -safe-string)
+ (link_flags -linkall)
+ (libraries utop))
diff --git a/examples/interact/jbuild b/examples/interact/jbuild
deleted file mode 100644
index abe396f..0000000
--- a/examples/interact/jbuild
+++ /dev/null
@@ -1,7 +0,0 @@
-(jbuild_version 1)
-
-(executable
- ((name test_program)
-  (flags (:standard -safe-string))
-  (link_flags (-linkall))
-  (libraries (utop))))
diff --git a/jbuild b/jbuild
deleted file mode 100644
index 2b60363..0000000
--- a/jbuild
+++ /dev/null
@@ -1,14 +0,0 @@
-(jbuild_version 1)
-
-(install
- ((section share)
-  (files (utoprc-dark utoprc-light))))
-
-(install
- ((section share_root)
-  (files ((src/top/utop.el as emacs/site-lisp/utop.el)))))
-
-(alias
- ((name examples)
-  (deps (examples/custom-utop/myutop.bc
-         examples/interact/test_program.bc))))
diff --git a/jbuild-workspace.dev b/jbuild-workspace.dev
deleted file mode 100644
index 2273ba1..0000000
--- a/jbuild-workspace.dev
+++ /dev/null
@@ -1,7 +0,0 @@
-;; This file is used by `make all-supported-ocaml-versions`
-(context ((switch 4.02.3)))
-(context ((switch 4.03.0)))
-(context ((switch 4.04.2)))
-(context ((switch 4.05.0)))
-(context ((switch 4.06.1)))
-(context ((switch 4.07.0)))
diff --git a/man/dune b/man/dune
new file mode 100644
index 0000000..92c62cc
--- /dev/null
+++ b/man/dune
@@ -0,0 +1,3 @@
+(install
+ (section man)
+ (files utop.1 utop-full.1 utoprc.5))
diff --git a/man/jbuild b/man/jbuild
deleted file mode 100644
index 43df3e6..0000000
--- a/man/jbuild
+++ /dev/null
@@ -1,5 +0,0 @@
-(jbuild_version 1)
-
-(install
- ((section man)
-  (files (utop.1 utop-full.1 utoprc.5))))
diff --git a/src/lib/dune b/src/lib/dune
new file mode 100644
index 0000000..316a558
--- /dev/null
+++ b/src/lib/dune
@@ -0,0 +1,12 @@
+(library
+ (name uTop)
+ (public_name utop)
+ (wrapped false)
+ (flags :standard -safe-string)
+ (modes byte)
+ (libraries compiler-libs.toplevel findlib.top lambda-term threads)
+ (preprocess
+  (action
+   (run %{bin:cppo} -V OCAML:%{ocaml_version} %{input-file}))))
+
+(ocamllex uTop_lexer)
diff --git a/src/lib/jbuild b/src/lib/jbuild
deleted file mode 100644
index 62139eb..0000000
--- a/src/lib/jbuild
+++ /dev/null
@@ -1,12 +0,0 @@
-(jbuild_version 1)
-
-(library
- ((name uTop)
-  (public_name utop)
-  (wrapped false)
-  (flags (:standard -safe-string))
-  (modes (byte))
-  (libraries (compiler-libs.toplevel findlib.top lambda-term threads))
-  (preprocess (action (run ${bin:cppo} -V OCAML:${ocaml_version} ${<})))))
-
-(ocamllex (uTop_lexer))
diff --git a/src/top/dune b/src/top/dune
new file mode 100644
index 0000000..7ce5a75
--- /dev/null
+++ b/src/top/dune
@@ -0,0 +1,20 @@
+(executables
+ (names utop)
+ (libraries utop)
+ (flags :standard -safe-string)
+ (link_flags -linkall))
+
+(rule
+ (targets utop-expunged.bc)
+ (deps utop.bc)
+ (action
+  (run %{exe:expunge/expunge.exe} %{bin:ocamlobjinfo} %{ocaml_where} %{deps}
+    %{targets} %{lib:compiler-libs.common:ocamlcommon.cma}
+    %{lib:compiler-libs.bytecomp:ocamlbytecomp.cma}
+    %{lib:compiler-libs.toplevel:ocamltoplevel.cma})))
+
+(install
+ (section bin)
+ (files
+  (utop-expunged.bc as utop)
+  (utop.bc as utop-full)))
diff --git a/src/top/expunge/dune b/src/top/expunge/dune
new file mode 100644
index 0000000..b354c7a
--- /dev/null
+++ b/src/top/expunge/dune
@@ -0,0 +1,4 @@
+(executable
+ (name expunge)
+ (flags :standard -safe-string)
+ (libraries unix))
diff --git a/src/top/expunge/jbuild b/src/top/expunge/jbuild
deleted file mode 100644
index 0080610..0000000
--- a/src/top/expunge/jbuild
+++ /dev/null
@@ -1,6 +0,0 @@
-(jbuild_version 1)
-
-(executable
- ((name expunge)
-  (flags (:standard -safe-string))
-  (libraries (unix))))
diff --git a/src/top/jbuild b/src/top/jbuild
deleted file mode 100644
index d58293a..0000000
--- a/src/top/jbuild
+++ /dev/null
@@ -1,24 +0,0 @@
-(jbuild_version 1)
-
-(executables
- ((names (utop))
-  (libraries (utop))
-  (flags (:standard -safe-string))
-  (link_flags (-linkall))))
-
-(rule
- ((targets (utop-expunged.bc))
-  (deps    (utop.bc))
-  (action  (run ${exe:expunge/expunge.exe}
-            ${bin:ocamlobjinfo}
-            ${ocaml_where}
-            ${<}
-            ${@}
-            ${lib:compiler-libs.common:ocamlcommon.cma}
-            ${lib:compiler-libs.bytecomp:ocamlbytecomp.cma}
-            ${lib:compiler-libs.toplevel:ocamltoplevel.cma}))))
-
-(install
- ((section bin)
-  (files ((utop-expunged.bc as utop)
-          (utop.bc          as utop-full)))))
diff --git a/utop.opam b/utop.opam
index f33f3cb..1825151 100644
--- a/utop.opam
+++ b/utop.opam
@@ -6,8 +6,8 @@ homepage: "https://github.com/ocaml-community/utop"
 bug-reports: "https://github.com/ocaml-community/utop/issues"
 dev-repo: "https://github.com/ocaml-community/utop.git"
 build: [
-  ["jbuilder" "subst"] {pinned}
-  ["jbuilder" "build" "-p" name "-j" jobs]
+  ["dune" "subst"] {pinned}
+  ["dune" "build" "-p" name "-j" jobs]
 ]
 depends: [
   "base-unix"
@@ -19,7 +19,7 @@ depends: [
   "camomile"
   "react"        {>= "1.0.0"}
   "cppo"         {build & >= "1.1.2"}
-  "jbuilder"     {build & >= "1.0+beta9"}
+  "dune" {build & >= "1.7"}
 ]
-build-test: [["jbuilder" "runtest" "-p" name "-j" jobs]]
+build-test: [["dune" "runtest" "-p" name "-j" jobs]]
 available: [ocaml-version >= "4.03.0"]