diff --git a/CHANGES.md b/CHANGES.md
index 83d24ac0..f6b17661 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,18 @@
+## 0.13
+
+- feat: `Server.run` takes `?after_init` parameter
+- remove dep on ounit2 and qtest
+- expose `Response.make_void`
+- Add OPTIONS method
+- use ocamlformat on the code
+
+- fix: SSE requires no body
+- fix: get addr/port from the current socket
+- fix: missing closing crlf in chunked streams
+- fix: module Html was not exposed
+- fix: close stream after Response.output
+- fix(tiny-httpd-vfs-pack): allow redirections when fetching resources
+
 ## 0.12
 
 - add dep on `seq`
diff --git a/src/Tiny_httpd_server.mli b/src/Tiny_httpd_server.mli
index 98b7691f..3ff0eac7 100644
--- a/src/Tiny_httpd_server.mli
+++ b/src/Tiny_httpd_server.mli
@@ -5,7 +5,7 @@
 
     It is possible to use a thread pool, see {!create}'s argument [new_thread].
 
-    @since NEXT_RELEASE
+    @since 0.13
 *)
 
 type buf = Tiny_httpd_buf.t
@@ -234,7 +234,7 @@ module Response : sig
 
   val make_void : ?headers:Headers.t -> code:int -> unit -> t
   (** Return a response without a body at all.
-      @since NEXT_RELEASE *)
+      @since 0.13 *)
 
   val make : ?headers:Headers.t -> (body, Response_code.t * string) result -> t
   (** [make r] turns a result into a response.
@@ -568,7 +568,7 @@ val run : ?after_init:(unit -> unit) -> t -> (unit, exn) result
     This returns [Ok ()] if the server exits gracefully, or [Error e] if
     it exits with an error.
 
-    @param after_init is called after the server starts listening. since NEXT_RELEASE .
+    @param after_init is called after the server starts listening. since 0.13 .
 
 *)
 
diff --git a/tiny_httpd.opam b/tiny_httpd.opam
index b9d166af..083cad56 100644
--- a/tiny_httpd.opam
+++ b/tiny_httpd.opam
@@ -1,5 +1,5 @@
 opam-version: "2.0"
-version: "0.12"
+version: "0.13"
 authors: ["Simon Cruanes"]
 maintainer: "simon.cruanes.2007@m4x.org"
 license: "MIT"
diff --git a/tiny_httpd_camlzip.opam b/tiny_httpd_camlzip.opam
index 0bc0ff12..93be4bd0 100644
--- a/tiny_httpd_camlzip.opam
+++ b/tiny_httpd_camlzip.opam
@@ -1,5 +1,5 @@
 opam-version: "2.0"
-version: "0.12"
+version: "0.13"
 authors: ["Simon Cruanes"]
 maintainer: "simon.cruanes.2007@m4x.org"
 license: "MIT"