diff --git a/.gitignore b/.gitignore
index 2973dba..d81a125 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 SOURCES/tcpdump-4.99.0.tar.gz
+SOURCES/tcpdump-4.99.0.tar.gz.sig
 SOURCES/tcpslice-1.3.tar.gz
diff --git a/.tcpdump.metadata b/.tcpdump.metadata
index 3797c63..d02bf23 100644
--- a/.tcpdump.metadata
+++ b/.tcpdump.metadata
@@ -1,2 +1,3 @@
 4348a93b47a5b35a9c04abcee4d84a04b1a681f8 SOURCES/tcpdump-4.99.0.tar.gz
+3fadebc3d3edaa3f4326a11864a0034ba1f2ccb7 SOURCES/tcpdump-4.99.0.tar.gz.sig
 4445c159ce45fa6fd9767658918eaf59175afac3 SOURCES/tcpslice-1.3.tar.gz
diff --git a/SOURCES/tcpdump-4.99.0.tar.gz.sig b/SOURCES/tcpdump-4.99.0.tar.gz.sig
deleted file mode 100644
index d53c760..0000000
Binary files a/SOURCES/tcpdump-4.99.0.tar.gz.sig and /dev/null differ
diff --git a/SPECS/tcpdump.spec b/SPECS/tcpdump.spec
index 911cc04..d5d836d 100644
--- a/SPECS/tcpdump.spec
+++ b/SPECS/tcpdump.spec
@@ -2,7 +2,7 @@ Summary: A network traffic monitoring tool
 Name: tcpdump
 Epoch: 14
 Version: 4.99.0
-Release: 6%{?dist}
+Release: 7%{?dist}
 License: BSD with advertising
 URL: http://www.tcpdump.org
 Requires(pre): shadow-utils
@@ -32,7 +32,7 @@ Install tcpdump if you need a program to monitor network traffic.
 %autosetup -a 1 -S git
 
 %build
-export CFLAGS="$RPM_OPT_FLAGS $(getconf LFS_CFLAGS) -fno-strict-aliasing"
+export CFLAGS="$RPM_OPT_FLAGS $(getconf LFS_CFLAGS) -fno-strict-aliasing -DGUESS_TSO"
 
 pushd %{tcpslice_dir}
 # update config.{guess,sub}
@@ -81,6 +81,9 @@ exit 0
 %{_mandir}/man8/tcpdump.8*
 
 %changelog
+* Wed May 24 2023 Michal Ruprich <mruprich@redhat.com> - 14:4.99.0-7
+- Resolves: #2188429 - enable GUESS_TSO for large packets
+
 * Tue Aug 10 2021 Mohan Boddu <mboddu@redhat.com> - 14:4.99.0-6
 - Rebuilt for IMA sigs, glibc 2.34, aarch64 flags
   Related: rhbz#1991688