diff --git a/dune-project b/dune-project
index 9430b32d706..7334f597340 100644
--- a/dune-project
+++ b/dune-project
@@ -260,7 +260,7 @@ understood by dune language."))
  (dir otherlibs/dune-action-trace)
  (synopsis "Dune Action Traces")
  (depends
-  csexp
-  (ocaml (>= 4.08)))
+  (csexp (>= 1.5.0))
+  (ocaml (>= 4.14)))
  (maintenance_intent none)
  (description "Produce trace events from dune actions"))
diff --git a/opam/dune-action-trace.opam b/opam/dune-action-trace.opam
index 3c3445173ca..22f3dc25021 100644
--- a/opam/dune-action-trace.opam
+++ b/opam/dune-action-trace.opam
@@ -10,8 +10,8 @@ doc: "https://dune.readthedocs.io/"
 bug-reports: "https://github.com/ocaml/dune/issues"
 depends: [
   "dune" {>= "3.22"}
-  "csexp"
-  "ocaml" {>= "4.08"}
+  "csexp" {>= "1.5.0"}
+  "ocaml" {>= "4.14"}
   "odoc" {with-doc}
 ]
 build: [