diff --git a/src/blocking_IO.mli b/src/blocking_IO.mli
index 9bbac2e4..f43882f6 100644
--- a/src/blocking_IO.mli
+++ b/src/blocking_IO.mli
@@ -7,11 +7,11 @@ include
      and type out_channel = out_channel
 
 val n_bytes_written : int Atomic.t
-(** @since NEXT_RELEASE *)
+(** @since 0.5 *)
 
 val n_bytes_read : int Atomic.t
-(** @since NEXT_RELEASE *)
+(** @since 0.5 *)
 
 val default_spawn : (unit -> unit) -> unit
 (** Start a new thread.
-    @since NEXT_RELEASE *)
+    @since 0.5 *)
diff --git a/src/jsonrpc2.mli b/src/jsonrpc2.mli
index 2472b868..7c92330a 100644
--- a/src/jsonrpc2.mli
+++ b/src/jsonrpc2.mli
@@ -22,7 +22,7 @@ module type S = sig
 
   val send_server_notification : t -> Lsp.Server_notification.t -> unit IO.t
   (** Send a notification from the server.
-      @since NEXT_RELEASE *)
+      @since 0.5 *)
 
   val send_server_request :
     t ->
@@ -31,7 +31,7 @@ module type S = sig
     Req_id.t IO.t
   (** Send a request from the server, and pass a callback that will be
       called with the result in the future.
-      @since NEXT_RELEASE *)
+      @since 0.5 *)
 
   val run : ?shutdown:(unit -> bool) -> t -> unit IO.t
   (** Listen for incoming messages and responses.
diff --git a/src/lwt/linol_lwt.ml b/src/lwt/linol_lwt.ml
index 5c8f7ca0..c8dedd5c 100644
--- a/src/lwt/linol_lwt.ml
+++ b/src/lwt/linol_lwt.ml
@@ -32,7 +32,7 @@ module IO_lwt :
 end
 
 (** Spawn function.
-    @since NEXT_RELEASE *)
+    @since 0.5 *)
 let spawn f =
   Lwt.async (fun () ->
       Lwt.catch f (fun exn ->
diff --git a/src/server.ml b/src/server.ml
index bc99473d..8994f395 100644
--- a/src/server.ml
+++ b/src/server.ml
@@ -72,7 +72,7 @@ module Make (IO : IO) = struct
       method virtual spawn_query_handler : (unit -> unit IO.t) -> unit
       (** How to start a new future/task/thread concurrently. This is used
           to process incoming user queries.
-          @since NEXT_RELEASE *)
+          @since 0.5 *)
     end
 
   let async (self : #base_server) f : unit IO.t =
@@ -165,7 +165,7 @@ module Make (IO : IO) = struct
 
       method get_status = status
       (** Check if exit or shutdown request was made by the client.
-        @since NEXT_RELEASE *)
+        @since 0.5 *)
 
       method find_doc (uri : DocumentUri.t) : doc_state option =
         try Some (Hashtbl.find docs uri) with Not_found -> None