diff --git a/kicadsch.opam b/kicadsch.opam
index 14d2c06..df05564 100644
--- a/kicadsch.opam
+++ b/kicadsch.opam
@@ -20,5 +20,5 @@ depends: [
   "dune" {build}
   "dune-release" {build}
   "ounit" {with-test}
-  "ocaml" {>="4.05"}
+  "ocaml" {>="4.07"}
 ]
diff --git a/plotkicadsch.opam b/plotkicadsch.opam
index 588bdc6..a24a439 100644
--- a/plotkicadsch.opam
+++ b/plotkicadsch.opam
@@ -19,7 +19,7 @@ build: [
 depends: [
   "dune" {build}
   "dune-release" {build}
-  "kicadsch" {= "0.4.0"}
+  "kicadsch" {= "0.5.0"}
   "tyxml" {>= "4.0.0"}
   "lwt"
   "lwt_ppx" {build}