diff --git a/waybar.changes b/waybar.changes
index c4fe88d..1b02921 100644
--- a/waybar.changes
+++ b/waybar.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Wed Feb 16 16:21:53 UTC 2022 - Antonio Larrosa <alarrosa@suse.com>
+
+- Use g++-11 when building in Backports/Leap 15.4 since otherwise
+  the compiler is too old.
+
 -------------------------------------------------------------------
 Mon Jan 10 16:16:47 UTC 2022 - Michael Vetter <mvetter@suse.com>
 
diff --git a/waybar.spec b/waybar.spec
index b544946..e513d58 100644
--- a/waybar.spec
+++ b/waybar.spec
@@ -28,7 +28,11 @@ URL:            https://github.com/Alexays/Waybar
 #Source:         https://github.com/Alexays/Waybar/archive/%{version}.tar.gz
 Source:         %{version}.tar.xz
 BuildRequires:  cmake
+%if 0%{?sle_version} >= 150400
+BuildRequires:  gcc11-c++
+%else
 BuildRequires:  gcc-c++ >= 8
+%endif
 BuildRequires:  gtk-layer-shell-devel
 BuildRequires:  meson
 BuildRequires:  ninja
@@ -86,6 +90,9 @@ This package provides the upstream look and feel for sway.
 %autosetup -p1 -n Waybar-%{version}
 
 %build
+%if 0%{?sle_version} >= 150400
+export CXX=g++-11
+%endif
 %meson -Dsndio=disabled
 %meson_build