diff --git a/ocaml-duppy-0.9.3-upstream-export-poll.patch b/ocaml-duppy-0.9.3-upstream-export-poll.patch
deleted file mode 100644
index bd37c37..0000000
--- a/ocaml-duppy-0.9.3-upstream-export-poll.patch
+++ /dev/null
@@ -1,29 +0,0 @@
-From 84a198fadf78b9fbf27729030c0658f48fccec91 Mon Sep 17 00:00:00 2001
-From: Romain Beauxis <toots@rastageeks.org>
-Date: Sat, 8 Jul 2023 16:18:24 -0500
-Subject: [PATCH] Export poll.
-
----
- src/duppy.mli | 9 +++++++++
- 1 file changed, 9 insertions(+)
-
-diff --git a/src/duppy.mli b/src/duppy.mli
-index 88fb35c..480e050 100644
---- a/src/duppy.mli
-+++ b/src/duppy.mli
-@@ -67,6 +67,15 @@ val create :
-   unit ->
-   'a scheduler
- 
-+(** Internal polling function. Uses `Unix.select` on windows and
-+    `poll` otherwise. *)
-+val poll :
-+  Unix.file_descr list ->
-+  Unix.file_descr list ->
-+  Unix.file_descr list ->
-+  float ->
-+  Unix.file_descr list * Unix.file_descr list * Unix.file_descr list
-+
- (** [queue ~log ~priorities s name] 
-  * starts a queue, on the scheduler [s] only processing priorities [p]
-  * for which [priorities p] returns [true].
diff --git a/ocaml-duppy.spec b/ocaml-duppy.spec
index c318911..143c8ee 100644
--- a/ocaml-duppy.spec
+++ b/ocaml-duppy.spec
@@ -1,8 +1,8 @@
 %define ocamlpck  duppy
 
 Name:          ocaml-duppy
-Version:       0.9.3
-Release:       2mamba
+Version:       0.9.4
+Release:       1mamba
 Summary:       Ocaml-duppy is an advanced scheduler for Ocaml programmers
 Group:         Development/Libraries
 Vendor:        openmamba
@@ -10,13 +10,12 @@ Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           https://github.com/savonet/ocaml-duppy
 Source:        https://github.com/savonet/ocaml-duppy.git/v%{version}/ocaml-duppy-%{version}.tar.bz2
-Patch0:        ocaml-duppy-0.9.3-upstream-export-poll.patch
 License:       LGPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: ocaml
-BuildRequires: ocaml-pcre-devel
+BuildRequires: ocaml-re
 BuildRequires: ocaml-runtime
+BuildRequires: ocaml-seq-devel
 ## AUTOBUILDREQ-END
 BuildRequires: ocaml >= 4.14.1
 BuildRequires: dune
@@ -40,7 +39,6 @@ This package contains libraries and signature files for developing applications
 
 %prep
 %setup -q
-%patch 0 -p1 -b .upstream-export-poll
 
 %build
 dune build
@@ -75,6 +73,9 @@ rm -rf %{buildroot}/usr/doc
 %doc examples/
 
 %changelog
+* Thu Mar 28 2024 Automatic Build System <autodist@openmamba.org> 0.9.4-1mamba
+- automatic version update by autodist
+
 * Fri Jul 21 2023 Silvan Calarco <silvan.calarco@mambasoft.it> 0.9.3-2mamba
 - added upstream patch to export poll (fixes liquidsoap 2.2.0 build)