diff --git a/glibc-python3.patch b/glibc-python3.patch
new file mode 100644
index 0000000..a9a7a4f
--- /dev/null
+++ b/glibc-python3.patch
@@ -0,0 +1,40 @@
+Use python3 for installed executable python scripts.
+
+Fedora is a Python3-only distribution:
+https://fedoraproject.org/wiki/FinalizingFedoraSwitchtoPython3
+
+This fixes build failures where builders may strictly enforce only
+python3 during a transitional phase.
+
+Author: Carlos O'Donell <carlos@redhat.com>
+
+diff --git a/benchtests/scripts/compare_bench.py b/benchtests/scripts/compare_bench.py
+index ea25f778c09bba9d..b53beb3c6e32c3cf 100755
+--- a/benchtests/scripts/compare_bench.py
++++ b/benchtests/scripts/compare_bench.py
+@@ -1,4 +1,4 @@
+-#!/usr/bin/python
++#!/usr/bin/python3
+ # Copyright (C) 2015-2018 Free Software Foundation, Inc.
+ # This file is part of the GNU C Library.
+ #
+diff --git a/benchtests/scripts/import_bench.py b/benchtests/scripts/import_bench.py
+index 602b3f954d4801a6..76bf1528a5418748 100644
+--- a/benchtests/scripts/import_bench.py
++++ b/benchtests/scripts/import_bench.py
+@@ -1,4 +1,4 @@
+-#!/usr/bin/python
++#!/usr/bin/python3
+ # Copyright (C) 2015-2018 Free Software Foundation, Inc.
+ # This file is part of the GNU C Library.
+ #
+diff --git a/benchtests/scripts/validate_benchout.py b/benchtests/scripts/validate_benchout.py
+index 6147f05bec3a4844..9a5c7947ee4ed7e9 100755
+--- a/benchtests/scripts/validate_benchout.py
++++ b/benchtests/scripts/validate_benchout.py
+@@ -1,4 +1,4 @@
+-#!/usr/bin/python
++#!/usr/bin/python3
+ # Copyright (C) 2014-2018 Free Software Foundation, Inc.
+ # This file is part of the GNU C Library.
+ #
diff --git a/glibc.spec b/glibc.spec
index c7aa582..b6b6639 100644
--- a/glibc.spec
+++ b/glibc.spec
@@ -1,6 +1,6 @@
 %define glibcsrcdir glibc-2.27-37-g39071a5539
 %define glibcversion 2.27
-%define glibcrelease 8%{?dist}
+%define glibcrelease 9%{?dist}
 # Pre-release tarballs are pulled in from git using a command that is
 # effectively:
 #
@@ -235,6 +235,7 @@ Patch2054: glibc-collation-cldr-12.patch
 Patch2055: glibc-collation-cldr-13.patch
 Patch2056: glibc-collation-cldr-14.patch
 Patch2057: glibc-collation-cldr-15.patch
+Patch2058: glibc-python3.patch
 
 ##############################################################################
 # End of glibc patches.
@@ -777,6 +778,7 @@ microbenchmark tests on the system.
 %patch2055 -p1
 %patch2056 -p1
 %patch2057 -p1
+%patch2058 -p1
 
 ##############################################################################
 # %%prep - Additional prep required...
@@ -1966,6 +1968,9 @@ fi
 %endif
 
 %changelog
+* Fri May 11 2018 Florian Weimer <fweimer@redhat.com> - 2.27-9
+- Use /usr/bin/python3 for benchmarks scripts (#1577223)
+
 * Thu Mar 29 2018 Florian Weimer <fweimer@redhat.com> - 2.27-8
 - Auto-sync with upstream branch release/2.27/master,
   commit 39071a55392d2d2e0b75fb19f2b48d661c4cc682.