diff --git a/icu.changes b/icu.changes
index 86b849b..f723ab5 100644
--- a/icu.changes
+++ b/icu.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Thu Mar  2 09:23:48 UTC 2023 - Martin Liška <mliska@suse.cz>
+
+- Use -fexcess-precision=fast as GCC 13 will default to -fexcess-precision=standard
+  for C++.
+
 -------------------------------------------------------------------
 Wed Oct 19 11:22:26 UTC 2022 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/icu.spec b/icu.spec
index bcdc149..79ec2bb 100644
--- a/icu.spec
+++ b/icu.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package icu
 #
-# Copyright (c) 2022 SUSE LLC
+# Copyright (c) 2023 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -136,7 +136,7 @@ popd
 %build
 cd source
 mkdir -p data/out/tmp # build procedure forgets to do this on its own
-export CXXFLAGS="%optflags -DICU_DATA_DIR=\\\"%_datadir/icu/%version/\\\""
+export CXXFLAGS="%optflags -DICU_DATA_DIR=\\\"%_datadir/icu/%version/\\\" -fexcess-precision=fast"
 export CFLAGS="$CXXFLAGS"
 %configure \
 	--disable-static \