diff --git a/.gitignore b/.gitignore
index 51271442043..b5cbf6efcd7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -266,3 +266,6 @@ samples/client/petstore/crystal/lib
 
 # Go
 samples/openapi3/client/petstore/go/privatekey.pem
+
+## OCaml
+samples/client/petstore/ocaml/_build/
diff --git a/modules/openapi-generator/src/main/resources/ocaml/readme.mustache b/modules/openapi-generator/src/main/resources/ocaml/readme.mustache
index b3c61100270..6c5fd79dabd 100644
--- a/modules/openapi-generator/src/main/resources/ocaml/readme.mustache
+++ b/modules/openapi-generator/src/main/resources/ocaml/readme.mustache
@@ -24,7 +24,7 @@ OCaml 4.x
 Please run the following commands to build the package `{{{packageName}}}`:
 
 ```sh
-opam install ppx_deriving_yojson cohttp ppx_deriving cohttp-lwt-unix pin ocaml-migrate-parsetree 1.3.1
+opam install ppx_deriving_yojson cohttp ppx_deriving cohttp-lwt-unix ocaml-migrate-parsetree
 eval $(opam env)
 dune build
 ```
diff --git a/samples/client/petstore/ocaml/.openapi-generator/VERSION b/samples/client/petstore/ocaml/.openapi-generator/VERSION
index 5f68295fc19..89648de3311 100644
--- a/samples/client/petstore/ocaml/.openapi-generator/VERSION
+++ b/samples/client/petstore/ocaml/.openapi-generator/VERSION
@@ -1 +1 @@
-6.0.0-SNAPSHOT
\ No newline at end of file
+6.0.1-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/ocaml/README.md b/samples/client/petstore/ocaml/README.md
index adbe4522a21..d90e0b2f23d 100644
--- a/samples/client/petstore/ocaml/README.md
+++ b/samples/client/petstore/ocaml/README.md
@@ -16,7 +16,7 @@ OCaml 4.x
 Please run the following commands to build the package `petstore_client`:
 
 ```sh
-opam install ppx_deriving_yojson cohttp ppx_deriving cohttp-lwt-unix pin ocaml-migrate-parsetree 1.3.1
+opam install ppx_deriving_yojson cohttp ppx_deriving cohttp-lwt-unix ocaml-migrate-parsetree
 eval $(opam env)
 dune build
 ```