diff --git a/dwz-0.14-grep-E.patch b/dwz-0.14-grep-E.patch
new file mode 100644
index 0000000..bf1e8c4
--- /dev/null
+++ b/dwz-0.14-grep-E.patch
@@ -0,0 +1,34 @@
+commit a57177980a05f0f84bf290ab7b68f73c0f78053f
+Author: Martin Liška <mliska@suse.cz>
+Date:   Wed Sep 7 21:55:03 2022 +0200
+
+    Use grep -E instead of egrep.
+    
+    egrep is obsoleted starting with GNU Grep 3.8.
+
+diff --git a/contrib/bytes-per-die.sh b/contrib/bytes-per-die.sh
+index 969f733..fda8998 100755
+--- a/contrib/bytes-per-die.sh
++++ b/contrib/bytes-per-die.sh
+@@ -3,7 +3,7 @@
+ f="$1"
+ 
+ size=$(readelf -WS "$f" \
+-	   | egrep "[ \t]\.debug_info" \
++	   | grep -E "[ \t]\.debug_info" \
+ 	   | sed 's/.*\.debug_info//' \
+ 	   | awk '{print $4}')
+ size=$((16#$size))
+diff --git a/testsuite/dwz.tests/two-files-low-mem-die-limit-0.sh b/testsuite/dwz.tests/two-files-low-mem-die-limit-0.sh
+index a3395a7..ee31359 100644
+--- a/testsuite/dwz.tests/two-files-low-mem-die-limit-0.sh
++++ b/testsuite/dwz.tests/two-files-low-mem-die-limit-0.sh
+@@ -7,7 +7,7 @@
+     1 2 \
+     2> dwz.err
+ 
+-if egrep -q "Compressing (1|2)$" dwz.err; then
++if grep -Eq "Compressing (1|2)$" dwz.err; then
+     exit 1
+ fi
+ 
diff --git a/dwz.spec b/dwz.spec
index 0d39b42..8981308 100644
--- a/dwz.spec
+++ b/dwz.spec
@@ -1,7 +1,7 @@
 Summary: DWARF optimization and duplicate removal tool
 Name: dwz
 Version: 0.14
-Release: 8%{?dist}
+Release: 9%{?dist}
 License: GPLv2+ and GPLv3+
 URL: https://sourceware.org/dwz/
 Source: https://sourceware.org/ftp/dwz/releases/%{name}-%{version}.tar.xz
@@ -12,6 +12,7 @@ BuildRequires: make elfutils
 Patch1: dwz-0.14-binutils-Wn.patch
 Patch2: dwz-0.14-binutils-readelf-alt.patch
 Patch3: dwz-0.14-gdb-add-index.patch
+Patch4: dwz-0.14-grep-E.patch
 
 %description
 The dwz package contains a program that attempts to optimize DWARF
@@ -42,6 +43,9 @@ make check
 %{_mandir}/man1/dwz.1*
 
 %changelog
+* Tue Oct  25 2022 Mark Wielaard <mjw@fedoraproject.org> 0.14-9
+- Add dwz-0.14-grep-E.patch
+
 * Tue Oct  25 2022 William Cohen <wcohen@redhat.com> 0.14-8
 - Added URL and complete path to source tarball to dwz.spec.