diff --git a/.gitignore b/.gitignore
index 582a026..0818d97 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /libdex-0.1.0.tar.xz
 /libdex-0.1.1.tar.xz
 /libdex-0.2.0.tar.xz
+/libdex-0.3.0.tar.xz
diff --git a/libdex.spec b/libdex.spec
index 99d4af6..098f177 100644
--- a/libdex.spec
+++ b/libdex.spec
@@ -1,11 +1,11 @@
 Name:    libdex
-Version: 0.2.0
+Version: 0.3.0
 Release: %autorelease
 Summary: a library supporting "Deferred Execution" for GNOME and GTK
 
 License: LGPL-2.1-or-later
 URL:     https://gitlab.gnome.org/GNOME/libdex
-Source0: https://download.gnome.org/sources/libdex/0.2/%{name}-%{version}.tar.xz
+Source0: https://download.gnome.org/sources/libdex/0.3/%{name}-%{version}.tar.xz
 
 BuildRequires: /usr/bin/vapigen
 BuildRequires: gcc
diff --git a/sources b/sources
index e736b6a..f638658 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (libdex-0.2.0.tar.xz) = db54fa974af97e59e7a21c19be73db8fec6565377ce313a3532435845d3571216d6617f9a8db500019390d85677ca6f30be3f9a36c60240c8130ae0834826a65
+SHA512 (libdex-0.3.0.tar.xz) = 04093447a77e972074425acb38876c62473bf6f609938fa2d7ec36fc944972547c7e8bebfe279273f530f90e18c45ed190ccbf602846c0d783af7fd0c9ac08ce