diff --git a/INSTALL.md b/INSTALL.md
index bfc696ee..a45bddd6 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -18,7 +18,7 @@ the hint and enter `opam switch create 4.09.1`.
 Next, install all the OCaml packages that Catala depend on, as well as some 
 git submodules, with
 
-    make install-dependencies
+    make dependencies
 
 This should ensure everything is set up for developping on the Catala compiler!
 
diff --git a/Makefile b/Makefile
index 9b29b303..e958b786 100644
--- a/Makefile
+++ b/Makefile
@@ -9,7 +9,7 @@ K := $(foreach exec,$(EXECUTABLES),\
         $(if $(shell which $(exec)),some string,$(warning [WARNING] No "$(exec)" executable found. \
 				Please install this executable for everything to work smoothly)))
 
-install-dependencies-ocaml:
+dependencies-ocaml:
 	opam install \
 		ocamlformat \
 		ANSITerminal \
@@ -22,7 +22,7 @@ install-dependencies-ocaml:
 		obelisk \
 		unionfind \
 		bindlib \
-		zarith \
+		zarith zarith_stubs_js \
 		ocamlgraph \
 		js_of_ocaml-compiler \
 		odate
@@ -30,7 +30,7 @@ install-dependencies-ocaml:
 init-submodules:
 	git submodule update --init
 
-install-dependencies: install-dependencies-ocaml init-submodules
+dependencies: dependencies-ocaml init-submodules
 
 
 ##########################################
@@ -161,7 +161,7 @@ website-assets: doc literate_examples grammar.html catala.html
 # Misceallenous
 ##########################################
 
-all: install-dependencies build doc tests literate_examples website-assets
+all: dependencies build doc tests literate_examples website-assets
 
 clean:
 	dune clean
@@ -177,5 +177,5 @@ inspect:
 # Special targets
 ##########################################
 .PHONY: inspect clean all literate_examples english allocations_familiales pygments \
-	install build doc format install-dependencies install-dependencies-ocaml \
+	install build doc format dependencies dependencies-ocaml \
 	catala.html 
diff --git a/catala.opam b/catala.opam
index e1204662..c6ed412e 100644
--- a/catala.opam
+++ b/catala.opam
@@ -23,6 +23,7 @@ depends: [
   "cmdliner" {>= "1.0.4"}
   "re" {>= "1.9.0"}
   "zarith" {>= "1.10"}
+  "zarith_stubs_js" {>= "0.14.0"}
   "dune" {build}
   "ocamlgraph" {>= "1.8.8"}
   "odate" {>= "0.6"}
diff --git a/dune-project b/dune-project
index 9a9430c1..66210e9d 100644
--- a/dune-project
+++ b/dune-project
@@ -1,4 +1,5 @@
 (lang dune 2.2)
+
 (name catala)
 (version 0.2.0)
 (generate_opam_files true)
@@ -30,6 +31,7 @@
    (cmdliner (>= 1.0.4))
    (re (>= 1.9.0))
    (zarith (>= 1.10))
+   (zarith_stubs_js (>= 0.14.0))
    (dune (and :build ))
    (ocamlgraph (>= 1.8.8))
    (odate (>= 0.6))
diff --git a/src/catala/catala_surface/dune b/src/catala/catala_surface/dune
index af62d0bd..cb1d342e 100644
--- a/src/catala/catala_surface/dune
+++ b/src/catala/catala_surface/dune
@@ -1,6 +1,7 @@
 (library
  (name surface)
- (libraries utils menhirLib sedlex re desugared scopelang zarith odate)
+ (libraries utils menhirLib sedlex re desugared scopelang zarith
+   zarith_stubs_js odate)
  (public_name catala.surface)
  (preprocess
   (pps sedlex.ppx)))
diff --git a/src/catala/default_calculus/dune b/src/catala/default_calculus/dune
index ff9f00da..97def089 100644
--- a/src/catala/default_calculus/dune
+++ b/src/catala/default_calculus/dune
@@ -1,7 +1,7 @@
 (library
  (name dcalc)
  (public_name catala.dcalc)
- (libraries bindlib unionFind utils zarith odate))
+ (libraries bindlib unionFind utils zarith zarith_stubs_js odate))
 
 (documentation
  (package catala))