diff --git a/harfbuzz.changes b/harfbuzz.changes
index b166160..74c3c18 100644
--- a/harfbuzz.changes
+++ b/harfbuzz.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Fri May  3 13:59:13 UTC 2024 - Jan Engelhardt <jengelh@inai.de>
+
+- Force higher C++ standard version for building with ICU 75.
+
 -------------------------------------------------------------------
 Fri Mar 29 19:08:48 UTC 2024 - Andreas Stieger <andreas.stieger@gmx.de>
 
diff --git a/harfbuzz.spec b/harfbuzz.spec
index 41a5662..5622608 100644
--- a/harfbuzz.spec
+++ b/harfbuzz.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package harfbuzz
 #
-# Copyright (c) 2023 SUSE LLC
+# Copyright (c) 2024 SUSE LLC
 # Copyright (c) 2024 Andreas Stieger <Andreas.Stieger@gmx.de>
 #
 # All modifications and additions to the file contributed by third parties
@@ -109,6 +109,8 @@ This package contains the development files.
 %autosetup -p1
 
 %build
+# harfbuzz-8.4.0 defaults to 11, icu-75 needs >=17
+export CXXFLAGS="%optflags -std=c++17"
 %meson \
 	-Ddocs=disabled \
 	-Dgraphite=enabled \