diff --git a/dune-project b/dune-project
index 39eab31..080b15d 100644
--- a/dune-project
+++ b/dune-project
@@ -14,4 +14,8 @@
  ; (tags (topics "to describe" your project))
  (depends
    ocaml
-   dune))
+   dune
+   tsdl
+   ;tsdl-image
+   ;tgls
+))
diff --git a/geometra.opam b/geometra.opam
index a2da640..44fd3b9 100644
--- a/geometra.opam
+++ b/geometra.opam
@@ -3,6 +3,7 @@ opam-version: "2.0"
 depends: [
   "ocaml"
   "dune" {>= "3.12"}
+  "tsdl"
   "odoc" {with-doc}
 ]
 build: [
diff --git a/src/dune b/src/dune
index 84b5f76..8b70c3b 100644
--- a/src/dune
+++ b/src/dune
@@ -3,4 +3,6 @@
  (package geometra)
  (public_name geometra)
  (libraries
-   ohlog))
+   ohlog
+   tsdl
+   tgls.tgl4))