diff --git a/.github/workflows/linux.bash b/.github/workflows/linux.bash
index 296b6a885..9cf3d1135 100755
--- a/.github/workflows/linux.bash
+++ b/.github/workflows/linux.bash
@@ -12,6 +12,14 @@ SCL_ENABLE_GCC=()
 # we're considering moving to C++20 and/or the -ti.hpp files are generated differently.
 WARN_FLAGS="-Wall -Wextra -Wno-template-id-cdtor -Wno-stringop-overflow"
 
+case "$DISTRO" in
+  debian:11)
+    # -Wattributes neededs to be disabled to not get warnings in old compilers about not-yet
+    # understood attributes, like [[gnu::no_dangling]] on debian:11.
+    WARN_FLAGS="${WARN_FLAGS} -Wno-attributes"
+    ;;
+esac
+
 case "$DISTRO" in
   alpine:*)
     # Packages inspired by the Alpine package, just