diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 8f7f35b87..1a18fc2d1 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -88,13 +88,17 @@ jobs:
           dune-cache: true
           opam-pin: false
 
+      - name: Pin dune
+        run: |
+          opam pin add dune.3.17 https://github.com/ocaml-wasm/dune.git#wasm_of_ocaml-incremental
+
       - run: opam install conf-pkg-config
         if: runner.os == 'Windows'
 
-      - run: opam install . --best-effort
+      - run: opam pin --with-version `< VERSION` . --best-effort
         if: ${{ matrix.skip-test }}
 
-      - run: opam install . --with-test
+      - run: opam pin --with-version `< VERSION`
         if: ${{ !matrix.skip-test }}
 
       - run: opam exec -- make all
@@ -134,6 +138,9 @@ jobs:
         with:
           ocaml-compiler: "5.2"
           dune-cache: true
+      - name: Pin dune
+        run: |
+          opam pin add -n dune.3.17 https://github.com/ocaml-wasm/dune.git#wasm_of_ocaml-incremental
       - uses: ocaml/setup-ocaml/lint-opam@v3
 
   lint-fmt:
@@ -146,6 +153,9 @@ jobs:
         with:
           ocaml-compiler: "5.2"
           dune-cache: true
+      - name: Pin dune
+        run: |
+          opam pin add -n dune.3.17 https://github.com/ocaml-wasm/dune.git#wasm_of_ocaml-incremental
       - uses: ocaml/setup-ocaml/lint-fmt@v3
 
   lint-runtime:
diff --git a/biome.json b/biome.json
index 6bcb2055d..32dc645b8 100644
--- a/biome.json
+++ b/biome.json
@@ -2,7 +2,11 @@
   "$schema": "https://biomejs.dev/schemas/1.9.1/schema.json",
   "files": {
     "include": ["runtime"],
-    "ignore": ["runtime/zstd.ts"]
+    "ignore": [
+      "runtime/zstd.ts",
+      "runtime/wasm/runtime.js",
+      "runtime/wasm/deps.json"
+    ]
   },
   "formatter": {
     "enabled": true,
diff --git a/dune-project b/dune-project
index f3587b225..2f54a9476 100644
--- a/dune-project
+++ b/dune-project
@@ -139,7 +139,7 @@
  (description
   "Wasm_of_ocaml is a compiler from OCaml bytecode to WebAssembly. It makes it possible to run pure OCaml programs in JavaScript environment like browsers and Node.js")
  (depends
-  (ocaml (and (>= 4.14) (< 5.1)))
+  (ocaml (and (>= 4.14) (< 5.3)))
   (js_of_ocaml (= :version))
   (num :with-test)
   (ppx_expect (and (>= v0.14.2) :with-test))
@@ -150,7 +150,8 @@
   menhir
   menhirLib
   menhirSdk
-  yojson)
+  yojson
+  binaryen-bin)
  (depopts
   ocamlfind)
  (conflicts
diff --git a/wasm_of_ocaml-compiler.opam b/wasm_of_ocaml-compiler.opam
index e7ffee830..3d1a938bf 100644
--- a/wasm_of_ocaml-compiler.opam
+++ b/wasm_of_ocaml-compiler.opam
@@ -13,7 +13,7 @@ doc: "https://ocsigen.org/js_of_ocaml/latest/manual/overview"
 bug-reports: "https://github.com/ocsigen/js_of_ocaml/issues"
 depends: [
   "dune" {>= "3.17"}
-  "ocaml" {>= "4.14" & < "5.1"}
+  "ocaml" {>= "4.14" & < "5.3"}
   "js_of_ocaml" {= version}
   "num" {with-test}
   "ppx_expect" {>= "v0.14.2" & with-test}
@@ -25,6 +25,7 @@ depends: [
   "menhirLib"
   "menhirSdk"
   "yojson"
+  "binaryen-bin"
   "odoc" {with-doc}
 ]
 depopts: ["ocamlfind"]