diff --git a/source/dub/compilers/buildsettings.d b/source/dub/compilers/buildsettings.d
index 9d5652c..1966802 100644
--- a/source/dub/compilers/buildsettings.d
+++ b/source/dub/compilers/buildsettings.d
@@ -405,6 +405,7 @@
 
 struct Flags (T) {
 	import dub.internal.vibecompat.data.serialization : ignore;
+	import dub.internal.vibecompat.data.json : Json;
 
 	@ignore BitFlags!T values;
 
@@ -420,6 +421,39 @@
 
 	alias values this;
 
+	public Json toJson() const
+	{
+		import std.conv : to;
+		import std.traits : EnumMembers;
+
+		auto json = Json.emptyArray;
+
+		static foreach (em; EnumMembers!T) {
+			static if (em != 0) {
+				if (values & em) {
+					json ~= em.to!string;
+				}
+			}
+		}
+
+		return json;
+	}
+
+	public static Flags!T fromJson(Json json)
+	{
+		import std.conv : to;
+		import std.exception : enforce;
+
+		BitFlags!T flags;
+
+		enforce(json.type == Json.Type.array, "Should be an array");
+		foreach (jval; json) {
+			flags |= jval.get!string.to!T;
+		}
+
+		return Flags!T(flags);
+	}
+
 	/**
 	 * Reads a list of flags from a JSON/YAML document and converts them
 	 * to our internal representation.
@@ -444,6 +478,16 @@
 
 unittest
 {
+	import dub.internal.vibecompat.data.json;
+
+	auto opts = Flags!BuildOption(BuildOption.debugMode | BuildOption.debugInfo | BuildOption.warningsAsErrors);
+	const str = serializeToJsonString(opts);
+	assert(str == `["debugMode","debugInfo","warningsAsErrors"]`);
+	assert(deserializeJson!(typeof(opts))(str) == opts);
+}
+
+unittest
+{
 	import dub.internal.configy.Read;
 
 	static struct Config