diff --git a/jbuild-workspace.dev b/jbuild-workspace.dev
new file mode 100644
index 00000000..cf75aa8c
--- /dev/null
+++ b/jbuild-workspace.dev
@@ -0,0 +1,11 @@
+;; Install the following opam switches, copy this file as
+;; jbuild-workspace and run:
+;;
+;; $ ./_build/default/bin/main.exe build @install
+;;
+;; This will build jbuilder against all these version of OCaml
+
+(context ((switch 4.02.3)))
+(context ((switch 4.03.0)))
+(context ((switch 4.04.0)))
+(context ((switch 4.05.0+beta1)))