diff --git a/Makefile b/Makefile
index 2e121f6..86e5278 100644
--- a/Makefile
+++ b/Makefile
@@ -2,16 +2,16 @@
 .PHONY: build clean test
 
 build:
-	jbuilder build @install --dev
+	dune build
 
 test:
-	jbuilder runtest --dev
+	dune runtest
 
 install:
-	jbuilder install
+	dune install
 
 uninstall:
-	jbuilder uninstall
+	dune uninstall
 
 clean:
 	rm -rf _build
diff --git a/bin/dune b/bin/dune
new file mode 100644
index 0000000..a6887ff
--- /dev/null
+++ b/bin/dune
@@ -0,0 +1,10 @@
+(executables
+ (names main)
+ (libraries fat-filesystem mirage-block-unix cmdliner mirage-fs-lwt
+   io-page-unix))
+
+(install
+ (section bin)
+ (package fat-filesystem)
+ (files
+  (main.exe as fat)))
diff --git a/bin/jbuild b/bin/jbuild
deleted file mode 100644
index 16c85bb..0000000
--- a/bin/jbuild
+++ /dev/null
@@ -1,11 +0,0 @@
-(jbuild_version 1)
-
-(executables
- ((names (main))
-  (libraries  (fat-filesystem mirage-block-unix cmdliner mirage-fs-lwt io-page-unix)
-)))
-
-(install
- ((section bin)
-  (package fat-filesystem)
-  (files ((main.exe as fat)))))
diff --git a/dune-project b/dune-project
new file mode 100644
index 0000000..f9f5639
--- /dev/null
+++ b/dune-project
@@ -0,0 +1,2 @@
+(lang dune 1.0)
+(name fat-filesystem)
diff --git a/fat-filesystem.opam b/fat-filesystem.opam
index d496d16..393e798 100644
--- a/fat-filesystem.opam
+++ b/fat-filesystem.opam
@@ -7,11 +7,11 @@ dev-repo:     "https://github.com/mirage/ocaml-fat.git"
 doc:          "https://mirage.github.io/ocaml-fat/"
 
 build: [
-  ["jbuilder" "subst" "-p" name "--name" name] {pinned}
-  ["jbuilder" "build" "-p" name "-j" jobs]
+  ["dune" "subst"] {pinned}
+  ["dune" "build" "-p" name "-j" jobs]
 ]
 depends: [
-  "jbuilder" {build & >="1.0+beta7"}
+  "dune" {build & >= "1.0"}
   "cstruct" {>= "3.0.0"}
   "ppx_tools" {build}
   "ppx_cstruct" {build}
diff --git a/src/dune b/src/dune
new file mode 100644
index 0000000..b32f8ef
--- /dev/null
+++ b/src/dune
@@ -0,0 +1,8 @@
+(library
+ (name fat_filesystem)
+ (public_name fat-filesystem)
+ (libraries cstruct re re.str mirage-fs mirage-block-lwt mirage-fs-lwt lwt
+   result rresult astring)
+ (wrapped false)
+ (preprocess
+  (pps ppx_cstruct)))
diff --git a/src/jbuild b/src/jbuild
deleted file mode 100644
index f877570..0000000
--- a/src/jbuild
+++ /dev/null
@@ -1,9 +0,0 @@
-(jbuild_version 1)
-
-(library
- ((name fat_filesystem)
-  (public_name fat-filesystem)
-  (libraries (cstruct re re.str mirage-fs mirage-block-lwt mirage-fs-lwt lwt result rresult astring))
-  (wrapped false)
-  (preprocess (pps (ppx_cstruct)))
-))
diff --git a/test/dune b/test/dune
new file mode 100644
index 0000000..5489e32
--- /dev/null
+++ b/test/dune
@@ -0,0 +1,5 @@
+(test
+ (libraries fat-filesystem lwt lwt.unix cstruct alcotest mirage-fs-lwt
+   mirage-block-unix io-page.unix mirage-block-lwt)
+ (name test)
+ (deps (glob_files *.dat)))
diff --git a/test/jbuild b/test/jbuild
deleted file mode 100644
index 74c65c5..0000000
--- a/test/jbuild
+++ /dev/null
@@ -1,10 +0,0 @@
-(jbuild_version 1)
-
-(executables
- ((libraries (fat-filesystem lwt lwt.unix cstruct alcotest mirage-fs-lwt mirage-block-unix io-page.unix mirage-block-lwt))
-  (names (test))))
-
-(alias
- ((name   runtest)
-  (deps   (test.exe))
-  (action (run ${<}))))
diff --git a/test/test.ml b/test/test.ml
index ad5c576..aa91564 100644
--- a/test/test.ml
+++ b/test/test.ml
@@ -62,7 +62,7 @@ let print_int_list xs = "[" ^ ( String.concat "; " (List.map string_of_int xs) )
 let test_root_list () =
   let open Fat_name in
   let t =
-    read_whole_file "test/root.dat" >>= fun bytes ->
+    read_whole_file "root.dat" >>= fun bytes ->
     let all = list bytes in
     Alcotest.(check int) __LOC__ 5 (List.length all);
     let x = List.nth all 1 in
@@ -108,16 +108,16 @@ let fat_format = Alcotest.testable (Fmt.of_to_string Fat_format.to_string) (=)
 let test_chains () =
   let t =
     let open Fat_boot_sector in
-    read_sector "test/bootsector.dat" >>= fun bytes ->
+    read_sector "bootsector.dat" >>= fun bytes ->
     let boot = match unmarshal bytes with
       | Error x -> failwith x
       | Ok x -> x in
     Alcotest.(check (result fat_format string)) __LOC__
       (Ok Fat_format.FAT16) (Fat_boot_sector.detect_format boot);
-    read_whole_file "test/root.dat" >>= fun bytes ->
+    read_whole_file "root.dat" >>= fun bytes ->
     let open Fat_name in
     let all = list bytes in
-    read_whole_file "test/fat.dat" >>= fun fat ->
+    read_whole_file "fat.dat" >>= fun fat ->
 
     let expected = [0; 0; 0; 2235; 3] in
     let actual = List.map (fun x -> (snd (x.dos)).start_cluster) all in
@@ -138,7 +138,7 @@ let test_chains () =
 let test_parse_boot_sector () =
   let t =
     let open Fat_boot_sector in
-    read_sector "test/bootsector.dat" >>= fun bytes ->
+    read_sector "bootsector.dat" >>= fun bytes ->
     let x = match unmarshal bytes with
       | Error x -> failwith x
       | Ok x -> x in
@@ -371,5 +371,4 @@ let suite = [
   ] @ write_tests
 
 let () =
-  Unix.chdir "../../../";
   Alcotest.run "fat" ["tests", suite]