diff --git a/.gitignore b/.gitignore
index c8fe3c3..c68c75f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -33,3 +33,4 @@ tcpdump-4.1.1.tar.gz
 /tcpdump-4.99.3.tar.gz.sig
 /tcpdump-4.99.4.tar.gz
 /tcpdump-4.99.4.tar.gz.sig
+/tcpslice-1.7.tar.gz
diff --git a/sources b/sources
index 53449fc..5fdaece 100644
--- a/sources
+++ b/sources
@@ -1,3 +1,3 @@
 SHA512 (tcpdump-4.99.4.tar.gz) = cb51e19574707d07c0de90dd4c301955897f2c9f2a69beb7162c08f59189f55625346d1602c8d66ab2b4c626ea4b0df1f08ed8734d2d7f536d0a7840c2d6d8df
-SHA512 (tcpslice-1.6.tar.gz) = 3099d6c488b8d7b989bece159e88a28c4d6dc9403b233680502e78101516f6aaaac1635ba328dad7780cefb17f57cbe900f1ea4a50bdb5b67f035d6cbe0a8aff
 SHA512 (tcpdump-4.99.4.tar.gz.sig) = bec395f0f595a37121bc144bac133f3fb31c6c1007cdadf061e4437d6fe2406c0cb0d5b68b5c63e03b932c783bfb58f0af0b7e8a58bb81beb9de6a0d681620e8
+SHA512 (tcpslice-1.7.tar.gz) = eb79fcbb61b5ddc0e37297c33cb503d70a59d081e0fef0a34f52d54fb6f17c4d92322eee672105048e0abe1d69e7b9aaccb06081da4cdaea06003578019a6570
diff --git a/tcpdump.spec b/tcpdump.spec
index 21d68f7..5bae9a8 100644
--- a/tcpdump.spec
+++ b/tcpdump.spec
@@ -1,10 +1,10 @@
-%define tcpslice_dir tcpslice-1.6
+%define tcpslice_dir tcpslice-1.7
 
 Summary: A network traffic monitoring tool
 Name: tcpdump
 Epoch: 14
 Version: 4.99.4
-Release: 5%{?dist}
+Release: 6%{?dist}
 License: BSD-2-Clause AND BSD-3-Clause AND BSD-4-Clause AND BSD-4-Clause-UC AND ISC AND NTP
 URL: http://www.tcpdump.org
 Requires(pre): shadow-utils
@@ -41,6 +41,7 @@ export CFLAGS="$RPM_OPT_FLAGS $(getconf LFS_CFLAGS) -fno-strict-aliasing -DGUESS
 pushd %{tcpslice_dir}
 # update config.{guess,sub}
 automake -a -f 2> /dev/null || :
+./autogen.sh
 %configure
 %{make_build}
 popd
@@ -84,6 +85,9 @@ exit 0
 %{_mandir}/man8/tcpdump.8*
 
 %changelog
+* Mon Feb 12 2024 Michal Ruprich <mruprich@redhat.com> - 14:4.99.4-6
+- New version of tcpslice, 1.7 (rhbz #2263644)
+
 * Sat Jan 27 2024 Fedora Release Engineering <releng@fedoraproject.org> - 14:4.99.4-5
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild