diff --git a/_service b/_service
deleted file mode 100644
index 5a5e2ff..0000000
--- a/_service
+++ /dev/null
@@ -1,14 +0,0 @@
-<services>
-	<service name="tar_scm" mode="disabled">
-		<param name="scm">git</param>
-		<param name="url">https://github.com/libyal/libfsntfs</param>
-		<param name="revision">8803365cac2ae6a2a8fc61550930882a9fcac959</param>
-		<!-- see configure.ac -->
-		<param name="versionformat">20210503</param>
-	</service>
-	<service name="recompress" mode="disabled">
-		<param name="file">*.tar</param>
-		<param name="compression">xz</param>
-	</service>
-	<service name="set_version" mode="disabled"/>
-</services>
diff --git a/libfsntfs-20210503.tar.xz b/libfsntfs-20210503.tar.xz
deleted file mode 100644
index 8571906..0000000
--- a/libfsntfs-20210503.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:d05a8e5779eff3c1a1cc000d93808af820e3ff08f14e1fc858ef78726805c5af
-size 352196
diff --git a/libfsntfs-experimental-20211023.tar.gz b/libfsntfs-experimental-20211023.tar.gz
new file mode 100644
index 0000000..ace0bee
--- /dev/null
+++ b/libfsntfs-experimental-20211023.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:044359ea8148c90f9b39ac7fb94374b3015ca28033053669203cc2fb6572fb70
+size 2084856
diff --git a/libfsntfs-experimental-20211023.tar.gz.asc b/libfsntfs-experimental-20211023.tar.gz.asc
new file mode 100644
index 0000000..e62967e
--- /dev/null
+++ b/libfsntfs-experimental-20211023.tar.gz.asc
@@ -0,0 +1,11 @@
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diff --git a/libfsntfs.changes b/libfsntfs.changes
index 97fa637..794fe34 100644
--- a/libfsntfs.changes
+++ b/libfsntfs.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Sun Nov 14 12:13:49 UTC 2021 - Jan Engelhardt <jengelh@inai.de>
+
+- Update to tag 20211023
+  * Changes to handle sparse data runs of bitmap attributes
+  * Added check for total data runs size
+
 -------------------------------------------------------------------
 Thu May 13 23:42:48 UTC 2021 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/libfsntfs.keyring b/libfsntfs.keyring
new file mode 100644
index 0000000..da327a1
--- /dev/null
+++ b/libfsntfs.keyring
@@ -0,0 +1,29 @@
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+-----END PGP PUBLIC KEY BLOCK-----
diff --git a/libfsntfs.spec b/libfsntfs.spec
index 1e621d9..9a82bc7 100644
--- a/libfsntfs.spec
+++ b/libfsntfs.spec
@@ -18,13 +18,15 @@
 
 %define lname	libfsntfs1
 Name:           libfsntfs
-Version:        20210503
+Version:        20211023
 Release:        0
 Summary:        Library and tools to access the NTFS filesystem
 License:        GFDL-1.3-or-later AND LGPL-3.0-or-later
 Group:          Productivity/File utilities
 URL:            https://github.com/libyal/libfsntfs
-Source:         %name-%version.tar.xz
+Source:         https://github.com/libyal/libfsntfs/releases/download/%version/libfsntfs-experimental-%version.tar.gz
+Source2:        https://github.com/libyal/libfsntfs/releases/download/%version/libfsntfs-experimental-%version.tar.gz.asc
+Source3:        %name.keyring
 Patch1:         system-libs.patch
 BuildRequires:  c_compiler
 BuildRequires:  gettext-tools >= 0.18.1
@@ -41,7 +43,7 @@ BuildRequires:  pkgconfig(libcpath) >= 20200623
 BuildRequires:  pkgconfig(libcsplit) >= 20200703
 BuildRequires:  pkgconfig(libcthreads) >= 20200508
 BuildRequires:  pkgconfig(libfcache) >= 20200708
-BuildRequires:  pkgconfig(libfdata) >= 20201129
+BuildRequires:  pkgconfig(libfdata) >= 20211023
 BuildRequires:  pkgconfig(libfdatetime) >= 20180910
 BuildRequires:  pkgconfig(libfguid) >= 20180724
 BuildRequires:  pkgconfig(libfusn) >= 20180726
@@ -99,7 +101,7 @@ Python 3 binding for libfsntfs, which can access the NTFS filesystem.
 %autosetup -p1
 
 %build
-if [ ! -e configure ]; then ./autogen.sh; fi
+autoreconf -fi
 %configure --disable-static --enable-wide-character-type --enable-python3
 %make_build