diff --git a/dateutils-0.4.8.tar.asc b/dateutils-0.4.8.tar.asc
deleted file mode 100644
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--- a/dateutils-0.4.8.tar.asc
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@@ -1,7 +0,0 @@
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diff --git a/dateutils-0.4.8.tar.xz b/dateutils-0.4.8.tar.xz
deleted file mode 100644
index 8ee89d5..0000000
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diff --git a/dateutils-0.4.9.tar.asc b/dateutils-0.4.9.tar.asc
new file mode 100644
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+++ b/dateutils-0.4.9.tar.asc
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diff --git a/dateutils-0.4.9.tar.xz b/dateutils-0.4.9.tar.xz
new file mode 100644
index 0000000..d8644f4
--- /dev/null
+++ b/dateutils-0.4.9.tar.xz
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diff --git a/dateutils.changes b/dateutils.changes
index e75211d..1af74df 100644
--- a/dateutils.changes
+++ b/dateutils.changes
@@ -1,3 +1,15 @@
+-------------------------------------------------------------------
+Fri Aug 20 12:15:31 UTC 2021 - Michael Vetter <mvetter@suse.com>
+
+- Update to 4.9:
+  * allow to specify epochs in nanoseconds, %s%N (#123)
+  * fix nanosecond arithmetic (#124)
+  * make cross-compilations easier (#128)
+  * mention default timezone (#129)
+- Drop upstreamed patches:
+  * 0144b15dda4b1ea4fdbeca9f3ecb128eb98772fd.patch
+  * a0ebd0037df973aed14779b51d59da3edc506b6a.patch
+
 -------------------------------------------------------------------
 Mon May 17 09:48:34 UTC 2021 - Dominique Leuenberger <dimstar@opensuse.org>
 
diff --git a/dateutils.spec b/dateutils.spec
index 8bab8e7..94b175c 100644
--- a/dateutils.spec
+++ b/dateutils.spec
@@ -17,7 +17,7 @@
 
 
 Name:           dateutils
-Version:        0.4.8
+Version:        0.4.9
 Release:        0
 Summary:        Command line date and time utilities
 License:        BSD-3-Clause
@@ -26,8 +26,6 @@ URL:            https://github.com/hroptatyr/dateutils/
 Source0:        https://github.com/hroptatyr/dateutils/releases/download/v%{version}/%{name}-%{version}.tar.xz
 Source1:        https://github.com/hroptatyr/dateutils/releases/download/v%{version}/%{name}-%{version}.tar.asc
 Source2:        %{name}.keyring
-Patch0:         https://github.com/hroptatyr/dateutils/commit/0144b15dda4b1ea4fdbeca9f3ecb128eb98772fd.patch
-Patch1:         https://github.com/hroptatyr/dateutils/commit/a0ebd0037df973aed14779b51d59da3edc506b6a.patch
 BuildRequires:  octave-devel
 BuildRequires:  pkgconfig
 BuildRequires:  timezone