diff --git a/aconfig/Android.bp b/aconfig/Android.bp
index 78fba34..5c6c8c3 100644
--- a/aconfig/Android.bp
+++ b/aconfig/Android.bp
@@ -8,6 +8,7 @@
     srcs: [
         "settings_accessibility_flag_declarations.aconfig",
         "settings_connecteddevice_flag_declarations.aconfig",
+        "settings_development_flag_declarations.aconfig",
         "settings_globalintl_flag_declarations.aconfig",
         "settings_experience_flag_declarations.aconfig",
         "settings_onboarding_experience_flag_declarations.aconfig",
diff --git a/aconfig/settings_development_flag_declarations.aconfig b/aconfig/settings_development_flag_declarations.aconfig
new file mode 100644
index 0000000..c23a38f
--- /dev/null
+++ b/aconfig/settings_development_flag_declarations.aconfig
@@ -0,0 +1,13 @@
+package: "com.android.settings.flags"
+
+# NOTE: Keep alphabetized to help limit merge conflicts from multiple simultaneous editors.
+
+# NOTE: All Settings flags share the same Flags class, so prefix our
+# flags with 'development' to prevent naming collision.
+
+flag {
+  name: "development_hdr_sdr_ratio"
+  namespace: "core_graphics"
+  description: "Shows hdr/sdr dev opton on the development options page from aconfig"
+  bug: "291863102"
+}