diff --git a/src/fut.mli b/src/fut.mli
index 77a1215a..9b10d420 100644
--- a/src/fut.mli
+++ b/src/fut.mli
@@ -165,12 +165,12 @@ module Advanced : sig
     {b NOTE}: the behavior is not specified if [iter f cont] (for a function f)
     doesn't call [f] on exactly [len cont] elements.
 
-    @since NEXT_RELEASE *)
+    @since 0.5.1 *)
 end
 
 val map_list : f:('a -> 'b t) -> 'a list -> 'b list t
 (** [map_list ~f l] is like [join_list @@ List.map f l].
-    @since NEXT_RELEASE *)
+    @since 0.5.1 *)
 
 val wait_array : _ t array -> unit t
 (** [wait_array arr] waits for all futures in [arr] to resolve. It discards
diff --git a/src/moonpool.mli b/src/moonpool.mli
index 18c5abfa..5001e178 100644
--- a/src/moonpool.mli
+++ b/src/moonpool.mli
@@ -42,12 +42,12 @@ val spawn : ?name:string -> on:Runner.t -> (unit -> 'a) -> 'a Fut.t
 (** [spawn ~on f] runs [f()] on the runner (a thread pool typically)
     and returns a future result for it. See {!Fut.spawn}.
     @param name if provided and [Trace] is present in dependencies,
-      a span will be created for the future. (since NEXT_RELEASE)
+      a span will be created for the future. (since 0.6)
     @since 0.5 *)
 
 val spawn_on_current_runner : ?name:string -> (unit -> 'a) -> 'a Fut.t
 (** See {!Fut.spawn_on_current_runner}.
-    @param name see {!spawn}. since NEXT_RELEASE.
+    @param name see {!spawn}. since 0.6.
     @since 0.5 *)
 
 [@@@ifge 5.0]