diff --git a/bopkit.opam b/bopkit.opam
index fba4c09..f86da0f 100644
--- a/bopkit.opam
+++ b/bopkit.opam
@@ -9,7 +9,7 @@ doc: "https://mbarbin.github.io/bopkit/"
 bug-reports: "https://github.com/mbarbin/bopkit/issues"
 depends: [
   "dune" {>= "3.16"}
-  "ocaml" {>= "5.1"}
+  "ocaml" {>= "5.2"}
   "ANSITerminal" {>= "0.8.3"}
   "appendable-list" {>= "v0.17" & < "v0.18"}
   "auto-format" {>= "0.0.7"}
diff --git a/dune-project b/dune-project
index 28a0b0e..413683b 100644
--- a/dune-project
+++ b/dune-project
@@ -32,7 +32,7 @@
   (libexec stdbin))
  (depends
   (ocaml
-   (>= 5.1))
+   (>= 5.2))
   (ANSITerminal
    (>= 0.8.3))
   (appendable-list