diff --git a/Cargo.toml b/Cargo.toml
index 191953d..f437a55 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -26,7 +26,7 @@ serialize = ["serde", "serde_derive"]
 cli = ["display", "clap"]
 
 [dependencies]
-bitflags = "1.2"
+bitflags = "2.0"
 serde = {version = "1.0", default-features = false, optional = true}
 serde_derive = {version = "1.0", optional = true}
 serde_json = {version = "1.0", optional = true}