diff --git a/libdex-0.3.1.tar.xz b/libdex-0.3.1.tar.xz
deleted file mode 100644
index 7f7474c..0000000
--- a/libdex-0.3.1.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:4f0fc1b27cbb757d72d61e97b8675960768120d646b5157a4cbbff5efd4224c9
-size 95460
diff --git a/libdex-0.4.0.tar.xz b/libdex-0.4.0.tar.xz
new file mode 100644
index 0000000..39472f0
--- /dev/null
+++ b/libdex-0.4.0.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:36b027e8a368325be7214b987763b1a3794ed29fb7a938ba6ecd93a3be21c4fb
+size 95468
diff --git a/libdex.changes b/libdex.changes
index 93f8519..83ffa5b 100644
--- a/libdex.changes
+++ b/libdex.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Sun Sep 17 01:09:23 UTC 2023 - Luciano Santos <luc14n0@opensuse.org>
+
+- Update to version 0.4.0:
+  + Documentation updates.
+
 -------------------------------------------------------------------
 Wed Sep  6 01:13:35 UTC 2023 - Luciano Santos <luc14n0@opensuse.org>
 
diff --git a/libdex.spec b/libdex.spec
index a81a45e..4d750c7 100644
--- a/libdex.spec
+++ b/libdex.spec
@@ -20,12 +20,12 @@
 %bcond_with profiling
 
 Name:           libdex
-Version:        0.3.1
+Version:        0.4.0
 Release:        0
 Summary:        Library supporting "Deferred Execution" for GNOME and GTK
 License:        LGPL-2.1-or-later
 URL:            https://gitlab.gnome.org/chergert/libdex
-Source0:        https://download.gnome.org/sources/%{name}/0.3/%{name}-%{version}.tar.xz
+Source0:        https://download.gnome.org/sources/%{name}/0.4/%{name}-%{version}.tar.xz
 
 BuildRequires:  c_compiler
 BuildRequires:  meson