diff --git a/arch.sh b/arch.sh
index 01f3817..fb003f7 100644
--- a/arch.sh
+++ b/arch.sh
@@ -357,6 +357,8 @@ then
     # Init Opam
     echo | opam init
     yes | opam init
+    # Utop
+    opam install utop --yes
     # Install devtools
     opam install ocaml-lsp-server --yes
     opam install ocamlformat --yes