diff --git a/dowsing.opam b/dowsing.opam
index 1c58e69..1d39cc4 100644
--- a/dowsing.opam
+++ b/dowsing.opam
@@ -12,12 +12,17 @@ depends: [
   "dune" {>= "3.0"}
   "fmt"
   "containers"
+  "containers-data"
   "iter"
   "diet"
   "ocp-index"
   "ocamlgraph"
   "bos"
   "zarith"
+  "atomic"
+  "ppx_deriving"
+  "alcotest" {with-test}
+  "benchmark" {with-test}
   "odoc" {with-doc}
 ]
 build: [
diff --git a/dune-project b/dune-project
index 67493e6..675b466 100644
--- a/dune-project
+++ b/dune-project
@@ -16,4 +16,4 @@
 (package
  (name dowsing)
  (synopsis "Dowsing is a type of divination employed in attempts to locate functions by giving a type")
- (depends ocaml dune fmt containers iter diet ocp-index ocamlgraph bos zarith))
+ (depends ocaml dune fmt containers containers-data iter diet ocp-index ocamlgraph bos zarith atomic ppx_deriving (alcotest :with-test) (benchmark :with-test)))