diff --git a/src/Class.zig b/src/Class.zig
index 39a1cdb..458627f 100644
--- a/src/Class.zig
+++ b/src/Class.zig
@@ -31,6 +31,7 @@ pub const ClassAccessFlags = EnumFlags(enum(u16) {
     synthetic = 0x1000,
     annotation = 0x2000,
     @"enum" = 0x4000,
+    module = 0x8000,
 });
 
 pub const ParseError = std.Io.Reader.Error || std.mem.Allocator.Error || error {