diff --git a/dune-project b/dune-project
index 5b29433..21bd53b 100644
--- a/dune-project
+++ b/dune-project
@@ -20,4 +20,4 @@
 (package
  (name ppx_system)
  (synopsis "A ppx to know host operating system at compile time")
- (depends ocaml dune ppxlib))
+ (depends ocaml dune (ppxlib (>= "0.18.0"))))
diff --git a/ppx_system.opam b/ppx_system.opam
index 04ff5a7..d76df88 100644
--- a/ppx_system.opam
+++ b/ppx_system.opam
@@ -10,7 +10,7 @@ bug-reports: "https://github.com/Psi-Prod/ppx_system/issues"
 depends: [
   "ocaml"
   "dune" {>= "3.3"}
-  "ppxlib"
+  "ppxlib" {>= "0.18.0"}
   "odoc" {with-doc}
 ]
 build: [